DUET 2019 PhD in Chemistry Previous Queston Papers

Delhi University Entrance Test (DUET) 2019 PhD in Chemistry Previous Queston Papers

7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 15 / 19
34)
35)
36)
Correct Answer :-
Poisonous [Option ID = 8213]
[Question ID = 2032]
1. C>B> A [Option ID = 8125]
2. A>C> B [Option ID = 8127]
3. C>A> B [Option ID = 8128]
4. A>B> C [Option ID = 8126]
Correct Answer :-
C>B> A [Option ID = 8125]
[Question ID = 1986]
1. [Option ID = 7941]
2. [Option ID = 7944]
3. [Option ID = 7942]
4. [Option ID = 7943]
Correct Answer :-
[Option ID = 7941]
A buffer made of [Question ID = 2052]
1. weak acid + conjugate base [Option ID = 8205]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 15 / 19
34)
35)
36)
Correct Answer :-
Poisonous [Option ID = 8213]
[Question ID = 2032]
1. C>B> A [Option ID = 8125]
2. A>C> B [Option ID = 8127]
3. C>A> B [Option ID = 8128]
4. A>B> C [Option ID = 8126]
Correct Answer :-
C>B> A [Option ID = 8125]
[Question ID = 1986]
1. [Option ID = 7941]
2. [Option ID = 7944]
3. [Option ID = 7942]
4. [Option ID = 7943]
Correct Answer :-
[Option ID = 7941]
A buffer made of [Question ID = 2052]
1. weak acid + conjugate base [Option ID = 8205]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 16 / 19
37)
38)
2. distilled water + strong base [Option ID = 8207]
3. strong acid + conjugate base [Option ID = 8206]
4. distilled water + salt [Option ID = 8208]
Correct Answer :-
weak acid + conjugate base [Option ID = 8205]
What is graphene?
[Question ID = 15233]
1. A new material made from carbon nanotubes [Option ID = 30929]
2. A one-atom thick sheet of carbon [Option ID = 30931]
3. Thin film made from fullerenes [Option ID = 30930]
4. None of these [Option ID = 30932]
Correct Answer :-
A new material made from carbon nanotubes [Option ID = 30929]
The major product formed in the reaction of quinoline with potassium amide (KNH2) in liquid ammonia is [Question ID = 2041]
1. [Option ID = 8163]
2. [Option ID = 8164]
3. [Option ID = 8162]
4. [Option ID = 8161]
Correct Answer :-
[Option ID = 8161]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 15 / 19
34)
35)
36)
Correct Answer :-
Poisonous [Option ID = 8213]
[Question ID = 2032]
1. C>B> A [Option ID = 8125]
2. A>C> B [Option ID = 8127]
3. C>A> B [Option ID = 8128]
4. A>B> C [Option ID = 8126]
Correct Answer :-
C>B> A [Option ID = 8125]
[Question ID = 1986]
1. [Option ID = 7941]
2. [Option ID = 7944]
3. [Option ID = 7942]
4. [Option ID = 7943]
Correct Answer :-
[Option ID = 7941]
A buffer made of [Question ID = 2052]
1. weak acid + conjugate base [Option ID = 8205]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 16 / 19
37)
38)
2. distilled water + strong base [Option ID = 8207]
3. strong acid + conjugate base [Option ID = 8206]
4. distilled water + salt [Option ID = 8208]
Correct Answer :-
weak acid + conjugate base [Option ID = 8205]
What is graphene?
[Question ID = 15233]
1. A new material made from carbon nanotubes [Option ID = 30929]
2. A one-atom thick sheet of carbon [Option ID = 30931]
3. Thin film made from fullerenes [Option ID = 30930]
4. None of these [Option ID = 30932]
Correct Answer :-
A new material made from carbon nanotubes [Option ID = 30929]
The major product formed in the reaction of quinoline with potassium amide (KNH2) in liquid ammonia is [Question ID = 2041]
1. [Option ID = 8163]
2. [Option ID = 8164]
3. [Option ID = 8162]
4. [Option ID = 8161]
Correct Answer :-
[Option ID = 8161]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 17 / 19
39)
40)
41)
42)
43)
L-DOPA is used for the treatment of [Question ID = 2028]
1. Diabetes [Option ID = 8111]
2. Tuberculosis [Option ID = 8109]
3. Cancer [Option ID = 8112]
4. Parkinson?s disease [Option ID = 8110]
Correct Answer :-
Tuberculosis [Option ID = 8109]
Which of the following is the correct set of apparatus for fractional distillation? [Question ID = 2053]
1. Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
2. Round bottomed flask, thermometer, water condenser and beaker [Option ID = 8211]
3. Round bottomed flask, thermometer, fractionating column, air condenser and flask [Option ID = 8210]
4. Round bottomed flask, thermometer, air condenser and beaker [Option ID = 8212]
Correct Answer :-
Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
Which of the following is the correct antisymmetric wave function for the ground state of He atom [Question ID = 1989]
1. [Option ID = 7956]
2. [Option ID = 7953]
3. [Option ID = 7955]
4. [Option ID = 7954]
Correct Answer :-
[Option ID = 7953]
Which of the following exhibit quadruple splitting? [Question ID = 1991]
1. K
3
[Fe(CN)
6
] [Option ID = 7962]
2. Fe(CO)
5
[Option ID = 7964]
3. [Fe(H
2
O)
6
]Cl
3
[Option ID = 7963]
4. K
4
[Fe(CN)
6
] [Option ID = 7961]
Correct Answer :-
K
4
[Fe(CN)
6
] [Option ID = 7961]
Which of the following does not affect the broadness of spectral lines of a sample? [Question ID = 1996]
1. Collisions between involves atoms/molecules [Option ID = 7981]
2. Doppler Effect [Option ID = 7982]
3. Heisenberg?s Uncertainty principle [Option ID = 7983]
4. Path length of a sample [Option ID = 7984]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 15 / 19
34)
35)
36)
Correct Answer :-
Poisonous [Option ID = 8213]
[Question ID = 2032]
1. C>B> A [Option ID = 8125]
2. A>C> B [Option ID = 8127]
3. C>A> B [Option ID = 8128]
4. A>B> C [Option ID = 8126]
Correct Answer :-
C>B> A [Option ID = 8125]
[Question ID = 1986]
1. [Option ID = 7941]
2. [Option ID = 7944]
3. [Option ID = 7942]
4. [Option ID = 7943]
Correct Answer :-
[Option ID = 7941]
A buffer made of [Question ID = 2052]
1. weak acid + conjugate base [Option ID = 8205]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 16 / 19
37)
38)
2. distilled water + strong base [Option ID = 8207]
3. strong acid + conjugate base [Option ID = 8206]
4. distilled water + salt [Option ID = 8208]
Correct Answer :-
weak acid + conjugate base [Option ID = 8205]
What is graphene?
[Question ID = 15233]
1. A new material made from carbon nanotubes [Option ID = 30929]
2. A one-atom thick sheet of carbon [Option ID = 30931]
3. Thin film made from fullerenes [Option ID = 30930]
4. None of these [Option ID = 30932]
Correct Answer :-
A new material made from carbon nanotubes [Option ID = 30929]
The major product formed in the reaction of quinoline with potassium amide (KNH2) in liquid ammonia is [Question ID = 2041]
1. [Option ID = 8163]
2. [Option ID = 8164]
3. [Option ID = 8162]
4. [Option ID = 8161]
Correct Answer :-
[Option ID = 8161]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 17 / 19
39)
40)
41)
42)
43)
L-DOPA is used for the treatment of [Question ID = 2028]
1. Diabetes [Option ID = 8111]
2. Tuberculosis [Option ID = 8109]
3. Cancer [Option ID = 8112]
4. Parkinson?s disease [Option ID = 8110]
Correct Answer :-
Tuberculosis [Option ID = 8109]
Which of the following is the correct set of apparatus for fractional distillation? [Question ID = 2053]
1. Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
2. Round bottomed flask, thermometer, water condenser and beaker [Option ID = 8211]
3. Round bottomed flask, thermometer, fractionating column, air condenser and flask [Option ID = 8210]
4. Round bottomed flask, thermometer, air condenser and beaker [Option ID = 8212]
Correct Answer :-
Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
Which of the following is the correct antisymmetric wave function for the ground state of He atom [Question ID = 1989]
1. [Option ID = 7956]
2. [Option ID = 7953]
3. [Option ID = 7955]
4. [Option ID = 7954]
Correct Answer :-
[Option ID = 7953]
Which of the following exhibit quadruple splitting? [Question ID = 1991]
1. K
3
[Fe(CN)
6
] [Option ID = 7962]
2. Fe(CO)
5
[Option ID = 7964]
3. [Fe(H
2
O)
6
]Cl
3
[Option ID = 7963]
4. K
4
[Fe(CN)
6
] [Option ID = 7961]
Correct Answer :-
K
4
[Fe(CN)
6
] [Option ID = 7961]
Which of the following does not affect the broadness of spectral lines of a sample? [Question ID = 1996]
1. Collisions between involves atoms/molecules [Option ID = 7981]
2. Doppler Effect [Option ID = 7982]
3. Heisenberg?s Uncertainty principle [Option ID = 7983]
4. Path length of a sample [Option ID = 7984]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 18 / 19
44)
45)
46)
47)
48)
Correct Answer :-
Collisions between involves atoms/molecules [Option ID = 7981]
Which of the following is not a correct sequence for basic strength of compounds in aqueous medium? [Question ID = 2055]
1. CH
3
NH
2
> pyridine > aniline [Option ID = 8220]
2. (C
2
H
5)
2
NH > (C
2
H
5
)
3
N > C
2
H
5
NH
2
[Option ID = 8218]
3. aniline > pyrrole > pyridine [Option ID = 8219]
4. (CH
3
)
2
NH > CH
3
NH
2
> (CH
3
)
3
N [Option ID = 8217]
Correct Answer :-
(CH
3
)
2
NH > CH
3
NH
2
> (CH
3
)
3
N [Option ID = 8217]
Which of the following compounds is the strongest Bronsted base [Question ID = 2064]
1. NO
3
-
[Option ID = 8255]
2. HSO
4
-
[Option ID = 8254]
3. H
2
PO
4
-
[Option ID = 8256]
4. CH
3
COO
-
[Option ID = 8253]
Correct Answer :-
CH
3
COO
-
[Option ID = 8253]
Which of the following molecules does not have a net dipole moment? [Question ID = 2061]
1. H
2
O [Option ID = 8241]
2. BrF
5
[Option ID = 8244]
3. BF
3
[Option ID = 8242]
4. NH
3
[Option ID = 8243]
Correct Answer :-
H
2
O [Option ID = 8241]
Which one of the following is a radioactive colourless noble gas [Question ID = 2051]
1.
88
Ra [Option ID = 8203]
2.
35
Br [Option ID = 8204]
3.
86
Rn [Option ID = 8202]
4.
54
Xe [Option ID = 8201]
Correct Answer :-
54
Xe [Option ID = 8201]
The correct order of increasing Lewis acidity for BF
3
, BCl
3
, SiF
4
, AlCl
3
[Question ID = 2050]

FirstRanker.com - FirstRanker's Choice
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 / 19
1)
2)
3)
4)
DU PhD in Chemistry
Topic:- DU_J19_PHD_CHEM
Which of the two complexes W(CO)
6
or IrCl(PPh
2
)
2
(CO) should undergo the faster exchange with
13
CO, and the reason is
[Question ID = 2056]
1. IrCl(PPh
2
)
2
(CO), associative process [Option ID = 8222]
2. IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
3. W(CO)
6
, interchange process [Option ID = 8223]
4. None of these [Option ID = 8224]
Correct Answer :-
IrCl(PPh
2
)
2
(CO), dissociative process [Option ID = 8221]
Which one is known as 'oil of bitter almonds'?
[Question ID = 15232]
1. Cinnamaldehyde [Option ID = 30925]
2. None of these [Option ID = 30928]
3. Benzaldehyde [Option ID = 30927]
4. Salicylaldehyde [Option ID = 30926]
Correct Answer :-
Cinnamaldehyde [Option ID = 30925]
Calculate the difference in the populations of the two nuclear spin states of
1
H nuclei in a magnetic field of 10 T at a temperature of 298 K. The magnetogyric ratio of a free
1
H nucleus is 26.752 X
10
7
T
-1
s
-1
. [Question ID = 1988]
1. 2 nuclei in 10
6
[Option ID = 7950]
2. 17 nuclei in 10
6
[Option ID = 7951]
3. 34 nuclei in 10
6
[Option ID = 7949]
4. 128 nuclei in 10
6
[Option ID = 7952]
Correct Answer :-
34 nuclei in 10
6
[Option ID = 7949]
The activation energy (E
a
) of a chemical reaction can be obtained by plotting: [Question ID = 1983]
1. Logarithm of rate constant versus absolute temperature [Option ID = 7929]
2. Logarithm of rate constant versus logarithm of absolute temperature [Option ID = 7930]
3. Logarithm of rate constant versus reciprocal of absolute temperature [Option ID = 7932]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 2 / 19
5)
6)
7)
8)
9)
4. Rate constant versus reciprocal of absolute temperature [Option ID = 7931]
Correct Answer :-
Logarithm of rate constant versus absolute temperature [Option ID = 7929]
Mossbauer spectroscopy is concerned with (A) Doppler effect (B) Photoelectric effect (C) Recoil energy (D) Cotton Effect [Question ID = 1990]
1. A, C [Option ID = 7958]
2. A, B [Option ID = 7957]
3. B, C [Option ID = 7959]
4. B, D [Option ID = 7960]
Correct Answer :-
A, B [Option ID = 7957]
If a system loses 250 kJ of heat at the same time that it is doing 500 kJ of work, what is the change in the internal energy of the system? [Question ID = 2062]
1. -750 kJ [Option ID = 8248]
2. +250 kJ [Option ID = 8245]
3. -250 kJ [Option ID = 8247]
4. +750 kJ [Option ID = 8246]
Correct Answer :-
+250 kJ [Option ID = 8245]
The molecule CO
2
belongs to the symmetry group [Question ID = 1984]
1. D
?d
[Option ID = 7935]
2. D
?h
[Option ID = 7934]
3. D
2h
[Option ID = 7933]
4. D
2d
[Option ID = 7936]
Correct Answer :-
D
2h
[Option ID = 7933]
In Stern-Gerlach?s experiment the kind of magnetic field used was? [Question ID = 1982]
1. Inhomogeneous [Option ID = 7926]
2. Linear [Option ID = 7927]
3. Homogeneous [Option ID = 7925]
4. Circular [Option ID = 7928]
Correct Answer :-
Homogeneous [Option ID = 7925]
Among the following, reactions which provides 1-butene as the major product is [Question ID = 2036]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 3 / 19
10)
1. [Option ID = 8144]
2. [Option ID = 8141]
3. [Option ID = 8143]
4. [Option ID = 8142]
Correct Answer :-
[Option ID = 8141]
Among the following diacids, the one that forms an anhydride fastest on heating with acetic anhydride is: [Question ID = 2027]
1. [Option ID = 8105]
2. [Option ID = 8108]
3. [Option ID = 8107]
4. [Option ID = 8106]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 4 / 19
11)
12)
13)
14)
15)
[Option ID = 8105]
The free gas phase ion V
3+
has a
3
F ground term. The
1
D and
3
P terms lie respectively 10642 cm
-1
and 12920 cm
-1
above it. The energies of the terms are given in terms of Racah parameters as
E(
3
F) = A - 8B, E(
3
P) = A + 7B, E(
1
D) = A - 3B + 2C. The values of B and C for V
3+
are [Question ID = 2049]
1. B = 3168 cm
-1
, C = 861 cm
-1
[Option ID = 8194]
2. B = 168 cm
-1
, C = 8613 cm
-1
[Option ID = 8195]
3. B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
4. B = 8613 cm
-1
, C = 168 cm
-1
[Option ID = 8196]
Correct Answer :-
B = 861 cm
-1
, C = 3168 cm
-1
[Option ID = 8193]
The bond length of a homo-nuclear di-atomic molecule can be obtained by [Question ID = 1981]
1. Vibrational Spectroscopy [Option ID = 7924]
2. Mossbauer Spectroscopy [Option ID = 7921]
3. Rotational Raman Spectroscopy [Option ID = 7923]
4. Microwave Spectroscopy [Option ID = 7922]
Correct Answer :-
Mossbauer Spectroscopy [Option ID = 7921]
What is kinetic isotope effect? [Question ID = 2078]
1. Vibrational frequency of the isotopically substituted bond [Option ID = 8311]
2. Reduced mass of the system with the isotopic substitution [Option ID = 8312]
3. Relative rate of the reaction with the two isotopes (normal vs. different isotope). [Option ID = 8310]
4. Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
Correct Answer :-
Bond dissociation energy of the isotopically substituted bond. [Option ID = 8309]
The conditions for a species to follow Fermi-Dirac statistics are [Question ID = 1993]
1. Particles are distinguishable, with no restriction on filling up of energy levels [Option ID = 7970]
2. Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
3. Particles are indistinguishable, with no restriction on filling up of energy levels [Option ID = 7972]
4. Particles are indistinguishable, with a restriction on filling up of energy levels [Option ID = 7971]
Correct Answer :-
Particles are distinguishable, with a restriction on filling up of energy levels [Option ID = 7969]
The moment of inertia of O
2
molecule having internuclear distance of 121 pm is [Question ID = 1995]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 5 / 19
16)
17)
18)
19)
20)
1. 2.95 X 10
-46
Kg m
2
[Option ID = 7977]
2. 2.95 X 10
-44
Kg m
2
[Option ID = 7978]
3. 1.95 X 10
46
Kg m
2
[Option ID = 7979]
4. 1.95 X 10
-46
Kg m
2
[Option ID = 7980]
Correct Answer :-
2.95 X 10
-46
Kg m
2
[Option ID = 7977]
For a non-linear and non-cyclic molecule with N atoms, what is the number of bending modes of vibration? [Question ID = 1985]
1. 2N-5 [Option ID = 7939]
2. 3N-5 [Option ID = 7938]
3. 2N-4 [Option ID = 7940]
4. 3N-6 [Option ID = 7937]
Correct Answer :-
3N-6 [Option ID = 7937]
The number of Zn
2+
ions and S
2-
ions are in the ZnS sphalerite unit cell [Question ID = 2059]
1. 2, 4 [Option ID = 8236]
2. 8, 8 [Option ID = 8235]
3. 1, 1 [Option ID = 8234]
4. 4, 4 [Option ID = 8233]
Correct Answer :-
4, 4 [Option ID = 8233]
The number of ESR signals formed in the spectrum of naphthalene anion radical are [Question ID = 1992]
1. 28 [Option ID = 7968]
2. 27 [Option ID = 7967]
3. 25 [Option ID = 7965]
4. 26 [Option ID = 7966]
Correct Answer :-
25 [Option ID = 7965]
The pH of a 1 molar solution of a weak acid with a Ka = 10
-10
will be [Question ID = 2060]
1. none of these [Option ID = 8240]
2. 5 [Option ID = 8239]
3. 1 [Option ID = 8238]
4. 10 [Option ID = 8237]
Correct Answer :-
10 [Option ID = 8237]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 6 / 19
21)
22)
[Question ID = 2043]
1. anti-aromatic and has no dipole moment [Option ID = 8172]
2. non-aromatic and has high dipole moment [Option ID = 8171]
3. aromatic and has high dipole moment [Option ID = 8169]
4. aromatic and has no dipole moment [Option ID = 8170]
Correct Answer :-
aromatic and has high dipole moment [Option ID = 8169]
[Question ID = 2048]
1. 2 [Option ID = 8190]
2. 10 [Option ID = 8189]
3. 3 [Option ID = 8191]
4. 4 [Option ID = 8192]
Correct Answer :-
10 [Option ID = 8189]
[Question ID = 2025]
1. None of these [Option ID = 8100]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 7 / 19
23)
2. [Option ID = 8098]
3. [Option ID = 8097]
4. [Option ID = 8099]
Correct Answer :-
[Option ID = 8097]
[Question ID = 2022]
1. [Option ID = 8085]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 8 / 19
24)
2. [Option ID = 8086]
3. [Option ID = 8087]
4. [Option ID = 8088]
Correct Answer :-
[Option ID = 8085]
[Question ID = 2033]
1. Paterno-Buchi reaction [Option ID = 8130]
2. Norrish type II reaction [Option ID = 8132]
3. Norrish type I reaction [Option ID = 8131]
4. Barton reaction [Option ID = 8129]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 9 / 19
25)
26)
Correct Answer :-
Barton reaction [Option ID = 8129]
[Question ID = 2015]
1. [Option ID = 8059]
2. [Option ID = 8058]
3. [Option ID = 8057]
4. [Option ID = 8060]
Correct Answer :-
[Option ID = 8057]
[Question ID = 2023]
1. 2-propanol [Option ID = 8090]
2. propanol [Option ID = 8092]
3. propanol [Option ID = 8089]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 10 / 19
27)
28)
4. 1-propanol [Option ID = 8091]
Correct Answer :-
propanol [Option ID = 8089]
[Question ID = 1987]
1. (L/2)
1/2
[Option ID = 7948]
2. (2/L)
1/2
[Option ID = 7947]
3. (2)
1/2
[Option ID = 7945]
4. (1/L)
1/2
[Option ID = 7946]
Correct Answer :-
(2)
1/2
[Option ID = 7945]
[Question ID = 2019]
1. [Option ID = 8074]
2. [Option ID = 8075]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 1 1 / 19
29)
3. [Option ID = 8073]
4. None of these [Option ID = 8076]
Correct Answer :-
[Option ID = 8073]
[Question ID = 2016]
1. [Option ID = 8062]
2. [Option ID = 8063]
3. [Option ID = 8064]
4. [Option ID = 8061]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 12 / 19
30)
31)
[Option ID = 8061]
[Question ID = 2014]
1. [Option ID = 8054]
2. [Option ID = 8055]
3. [Option ID = 8053]
4. [Option ID = 8056]
Correct Answer :-
[Option ID = 8053]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 13 / 19
[Question ID = 2026]
1. [Option ID = 8101]
2. [Option ID = 8104]
3. [Option ID = 8103]
4. [Option ID = 8102]
Correct Answer :-
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 14 / 19
32)
33)
[Option ID = 8101]
[Question ID = 2030]
1. III>II> I [Option ID = 8119]
2. I>III> II [Option ID = 8120]
3. I>II> III [Option ID = 8117]
4. II>I> III [Option ID = 8118]
Correct Answer :-
I>II> III [Option ID = 8117]
[Question ID = 2054]
1. Flammable [Option ID = 8214]
2. Oxidizing [Option ID = 8216]
3. Corrosive [Option ID = 8215]
4. Poisonous [Option ID = 8213]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 15 / 19
34)
35)
36)
Correct Answer :-
Poisonous [Option ID = 8213]
[Question ID = 2032]
1. C>B> A [Option ID = 8125]
2. A>C> B [Option ID = 8127]
3. C>A> B [Option ID = 8128]
4. A>B> C [Option ID = 8126]
Correct Answer :-
C>B> A [Option ID = 8125]
[Question ID = 1986]
1. [Option ID = 7941]
2. [Option ID = 7944]
3. [Option ID = 7942]
4. [Option ID = 7943]
Correct Answer :-
[Option ID = 7941]
A buffer made of [Question ID = 2052]
1. weak acid + conjugate base [Option ID = 8205]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 16 / 19
37)
38)
2. distilled water + strong base [Option ID = 8207]
3. strong acid + conjugate base [Option ID = 8206]
4. distilled water + salt [Option ID = 8208]
Correct Answer :-
weak acid + conjugate base [Option ID = 8205]
What is graphene?
[Question ID = 15233]
1. A new material made from carbon nanotubes [Option ID = 30929]
2. A one-atom thick sheet of carbon [Option ID = 30931]
3. Thin film made from fullerenes [Option ID = 30930]
4. None of these [Option ID = 30932]
Correct Answer :-
A new material made from carbon nanotubes [Option ID = 30929]
The major product formed in the reaction of quinoline with potassium amide (KNH2) in liquid ammonia is [Question ID = 2041]
1. [Option ID = 8163]
2. [Option ID = 8164]
3. [Option ID = 8162]
4. [Option ID = 8161]
Correct Answer :-
[Option ID = 8161]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 17 / 19
39)
40)
41)
42)
43)
L-DOPA is used for the treatment of [Question ID = 2028]
1. Diabetes [Option ID = 8111]
2. Tuberculosis [Option ID = 8109]
3. Cancer [Option ID = 8112]
4. Parkinson?s disease [Option ID = 8110]
Correct Answer :-
Tuberculosis [Option ID = 8109]
Which of the following is the correct set of apparatus for fractional distillation? [Question ID = 2053]
1. Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
2. Round bottomed flask, thermometer, water condenser and beaker [Option ID = 8211]
3. Round bottomed flask, thermometer, fractionating column, air condenser and flask [Option ID = 8210]
4. Round bottomed flask, thermometer, air condenser and beaker [Option ID = 8212]
Correct Answer :-
Round bottomed flask, thermometer, fractionating column, water condenser and flask [Option ID = 8209]
Which of the following is the correct antisymmetric wave function for the ground state of He atom [Question ID = 1989]
1. [Option ID = 7956]
2. [Option ID = 7953]
3. [Option ID = 7955]
4. [Option ID = 7954]
Correct Answer :-
[Option ID = 7953]
Which of the following exhibit quadruple splitting? [Question ID = 1991]
1. K
3
[Fe(CN)
6
] [Option ID = 7962]
2. Fe(CO)
5
[Option ID = 7964]
3. [Fe(H
2
O)
6
]Cl
3
[Option ID = 7963]
4. K
4
[Fe(CN)
6
] [Option ID = 7961]
Correct Answer :-
K
4
[Fe(CN)
6
] [Option ID = 7961]
Which of the following does not affect the broadness of spectral lines of a sample? [Question ID = 1996]
1. Collisions between involves atoms/molecules [Option ID = 7981]
2. Doppler Effect [Option ID = 7982]
3. Heisenberg?s Uncertainty principle [Option ID = 7983]
4. Path length of a sample [Option ID = 7984]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 18 / 19
44)
45)
46)
47)
48)
Correct Answer :-
Collisions between involves atoms/molecules [Option ID = 7981]
Which of the following is not a correct sequence for basic strength of compounds in aqueous medium? [Question ID = 2055]
1. CH
3
NH
2
> pyridine > aniline [Option ID = 8220]
2. (C
2
H
5)
2
NH > (C
2
H
5
)
3
N > C
2
H
5
NH
2
[Option ID = 8218]
3. aniline > pyrrole > pyridine [Option ID = 8219]
4. (CH
3
)
2
NH > CH
3
NH
2
> (CH
3
)
3
N [Option ID = 8217]
Correct Answer :-
(CH
3
)
2
NH > CH
3
NH
2
> (CH
3
)
3
N [Option ID = 8217]
Which of the following compounds is the strongest Bronsted base [Question ID = 2064]
1. NO
3
-
[Option ID = 8255]
2. HSO
4
-
[Option ID = 8254]
3. H
2
PO
4
-
[Option ID = 8256]
4. CH
3
COO
-
[Option ID = 8253]
Correct Answer :-
CH
3
COO
-
[Option ID = 8253]
Which of the following molecules does not have a net dipole moment? [Question ID = 2061]
1. H
2
O [Option ID = 8241]
2. BrF
5
[Option ID = 8244]
3. BF
3
[Option ID = 8242]
4. NH
3
[Option ID = 8243]
Correct Answer :-
H
2
O [Option ID = 8241]
Which one of the following is a radioactive colourless noble gas [Question ID = 2051]
1.
88
Ra [Option ID = 8203]
2.
35
Br [Option ID = 8204]
3.
86
Rn [Option ID = 8202]
4.
54
Xe [Option ID = 8201]
Correct Answer :-
54
Xe [Option ID = 8201]
The correct order of increasing Lewis acidity for BF
3
, BCl
3
, SiF
4
, AlCl
3
[Question ID = 2050]
7/7/2019 192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions
192.168.183.10:8195/GameChanger/Reports/PapersetQuestion/PapersetQuestions 19 / 19
49)
50)
1. SiF
4
> BF
3
> BCl
3
> AlCl
3
[Option ID = 8198]
2. SiF
4
3
3
3
[Option ID = 8200]
3. BCl
3
3
4
3
[Option ID = 8197]
4. BCl
3
3
4
3
[Option ID = 8199]
Correct Answer :-
BCl
3
3
4
3
[Option ID = 8197]
In a bucky ball, each carbon atom is bound to _____ adjacent carbon atoms. [Question ID = 2063]
1. 2 [Option ID = 8250]
2. 1 [Option ID = 8249]
3. 3 [Option ID = 8251]
4. 4 [Option ID = 8252]
Correct Answer :-
1 [Option ID = 8249]
In how many ways can 10 distinguishable particles be placed in 3 boxes, so that there are 3 particles in first box, 6 in second and 1 in third? [Question ID = 1994]
1. 1260 ways [Option ID = 7974]
2. 1520 ways [Option ID = 7973]
3. None of these [Option ID = 7976]
4. 840 ways [Option ID = 7975]
Correct Answer :-
1520 ways [Option ID = 7973]

FirstRanker.com - FirstRanker's Choice

This post was last modified on 19 June 2020