--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
Save & Print
Roll No:
--- Content provided by FirstRanker.com ---
Application No:Name:
Exam Date: 07-Oct-2020
Exam Time: 15:00-18:00
Examination: 1. Course Code - M.A./M.Sc./M.C.A.
--- Content provided by FirstRanker.com ---
2. Field of Study - Chemistry (CHEM)SECTION 1 - SECTION 1
Question No.1 (Question Id - 30)
(A)
NaBH4
--- Content provided by FirstRanker.com ---
(B)NaBH4/CeCl3 (Correct Answer)
(C)
LiAlH4
(D)
--- Content provided by FirstRanker.com ---
DIBAL - H(E)
H2/Pd
Question No.2 (Question Id - 8)
(A)
--- Content provided by FirstRanker.com ---
(B)(C)
(Correct Answer)
(D)
(E)
--- Content provided by FirstRanker.com ---
Question No.3 (Question Id - 6)(A)
(B)
(Correct Answer)
(C)
--- Content provided by FirstRanker.com ---
(D)(E)
Question No.4 (Question Id - 37)
--- Content provided by FirstRanker.com ---
(A)A(c), B(b), C(b), D(c)
(B)
A(a), B(b), C(c), D(b)
(C)
--- Content provided by FirstRanker.com ---
A(a), B(a), C(b), D(a)(D)
A(a), B(a), C(c), D(b) (Correct Answer)
(E)
A(b), B(c), C(a), D(c)
--- Content provided by FirstRanker.com ---
Question No.5 (Question Id - 49)The O - O stretching vibration in oxyhemoglobin is :
(A)
Higher than O - O stretching vibration of molecular oxygen
(B)
--- Content provided by FirstRanker.com ---
Lower than O - O stretching vibration of molecular oxygen (Correct Answer)(C)
Equal to the O - O stretching vibration of molecular oxygen
(D)
Very close to the O - O stretching vibration of hemocyanin
--- Content provided by FirstRanker.com ---
(E)Close to the O - O stretching vibration of Na2O2
Question No.6 (Question Id - 25)
(A)
Only A
--- Content provided by FirstRanker.com ---
(B)Only B
(C)
A is major and B is minor (~A>B) (Correct Answer)
(D)
--- Content provided by FirstRanker.com ---
B is major and A is minor (~B>A)(E)
A and B formed equally (A = B)
Question No.7 (Question Id - 45)
The color of Ruby(Al2O3 contains 0.2 - 1 atom% of Cr3+) and potassium permanganate are because of :
--- Content provided by FirstRanker.com ---
(A)d - d transition and ligand-to-metal charge-transfer transition, respectively
(Correct Answer)
(B)
ligand-to-metal charge-transfer and d-d transition, respectively
--- Content provided by FirstRanker.com ---
(C)d - d transition and d - d transition, respectively
(D)
Ligand-to-metal charge-transfer and ligand-to-metal charge transfer transition, respectively
(E)
--- Content provided by FirstRanker.com ---
Metal-to-ligand charge-transfer and ligand-to-metal charge-transfer, transition, respectivelyQuestion No.8 (Question Id - 31)
The 13C NMR spectrum for the following compound contains these peaks : 17.3, 61.1, 100 - 150 ppm(four peaks) and 166.8
ppm. The compound will be :
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
(A)
--- Content provided by FirstRanker.com ---
(Correct Answer)(B)
(C)
(D)
(E)
--- Content provided by FirstRanker.com ---
Question No.9 (Question Id - 18)(A)
(B)
(C)
(Correct Answer)
--- Content provided by FirstRanker.com ---
(D)(E)
Question No.10 (Question Id - 29)
(A)
(B)
--- Content provided by FirstRanker.com ---
(C)(Correct Answer)
(D)
--- Content provided by FirstRanker.com ---
(E)
Ph - C2H5
Question No.11 (Question Id - 10)
--- Content provided by FirstRanker.com ---
For the mixing of two ideal gases at same temperature and pressure, which of the following is incorrect ?(A)
Smix > 0
(B)
Hmix < 0 (Correct Answer)
--- Content provided by FirstRanker.com ---
(C)Gmix < 0
(D)
Ssurr = 0
(E)
--- Content provided by FirstRanker.com ---
Hmix = 0Question No.12 (Question Id - 16)
The rotational constant and interatomic distance of HF are given by 4.1 x 10-22 J and 92 pm, respectively. The moment of
inertia of the molecule is calculated as :
(A)
--- Content provided by FirstRanker.com ---
4.20 x 10-47 kgm2(B)
2.81 x 10-46 kgm2
(C)
1.36 x 10-47 kgm2 (Correct Answer)
--- Content provided by FirstRanker.com ---
(D)2.81 x 10-47 kgm2
(E)
3.47 x 10-46 kgm2
Question No.13 (Question Id - 20)
--- Content provided by FirstRanker.com ---
(A)A B C D
(B)
A C B D (Correct Answer)
(C)
--- Content provided by FirstRanker.com ---
A D B C(D)
A C D B
(E)
A B D C
--- Content provided by FirstRanker.com ---
Question No.14 (Question Id - 26)(A)
(A), (C)
(B)
(A), (D) (Correct Answer)
--- Content provided by FirstRanker.com ---
(C)(B), (C)
(D)
(B), (D)
(E)
--- Content provided by FirstRanker.com ---
(A), (B), (C), (D)Question No.15 (Question Id - 19)
(A)
All are hototopic
(B)
--- Content provided by FirstRanker.com ---
Homotopic; Heterotopic; Heterotopic(C)
Heterotopic; Homotopic; Heterotopic
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
(D)
Homotopic; Homotopic; Heterotopic (Correct Answer)
(E)
Homotopic; Heterotopic; Homotopic
--- Content provided by FirstRanker.com ---
Question No.16 (Question Id - 1)(A)
(Correct Answer)
(B)
zero
--- Content provided by FirstRanker.com ---
(C)(D)
(E)
Question No.17 (Question Id - 32)
(A)
--- Content provided by FirstRanker.com ---
C > D > B > A(B)
B > D > A > C (Correct Answer)
(C)
A > B > C > D
--- Content provided by FirstRanker.com ---
(D)A > C > B > D
(E)
B > D > C > A
Question No.18 (Question Id - 2)
--- Content provided by FirstRanker.com ---
(A)45
(B)
10
(C)
--- Content provided by FirstRanker.com ---
62 (Correct Answer)(D)
28
(E)
76
--- Content provided by FirstRanker.com ---
Question No.19 (Question Id - 41)(A)
A(c), B(a), C(a) (Correct Answer)
(B)
A(a), B(a), C(c)
--- Content provided by FirstRanker.com ---
(C)A(c), B(c), C(a)
(D)
A(a), B(c), C(a)
(E)
--- Content provided by FirstRanker.com ---
A(c), B(c), C(c)--- Content provided by FirstRanker.com ---
Question No.20 (Question Id - 50)
One can describe the oxygen binding motif in oxyhemerythrin as :
--- Content provided by FirstRanker.com ---
(A)1 - superoxide
(B)
1 - Hydroperoxide (Correct Answer)
(C)
--- Content provided by FirstRanker.com ---
- 2 : 2 - peroxide(D)
2 - superoxide
(E)
2 - peroxide
--- Content provided by FirstRanker.com ---
Question No.21 (Question Id - 27)(A)
(B)
(Correct Answer)
(C)
--- Content provided by FirstRanker.com ---
(D)(E)
Question No.22 (Question Id - 12)
Which of the following statements about the temperature dependence of reaction rates is correct ?
(A)
--- Content provided by FirstRanker.com ---
(B)Activation energy is the maximum energy that reactants must have in order to form products.
(C)
Reactions of the same order must have the same activation energy.
(D)
--- Content provided by FirstRanker.com ---
Stronger dependence of reaction rate on temperature leads to higher activation energy.(Correct Answer)
(E)
Temperature dependence of reaction rates always has to follow the `Linear' behaviour.
Question No.23 (Question Id - 7)
--- Content provided by FirstRanker.com ---
For a cubic crystal if the relationship between the lattice distance (d) and the wavelength () of X-ray is represented as d =4.85, then the difference between the angles of first and third order diffraction from the crystal would be :
(A)
9.70
(B)
--- Content provided by FirstRanker.com ---
5.95(C)
30.72
(D)
12.10 (Correct Answer)
--- Content provided by FirstRanker.com ---
(E)18.02
Question No.24 (Question Id - 38)
Consider, the following reaction is occuring when M = Fe2+, Fe3+, Cr3+ and Ni2+.
[M(H2O)6]n+ + H2O [M(H2O)5 (OH)](n-1)+ + H3O+
--- Content provided by FirstRanker.com ---
Which of the following answer is correct for the increasing order of pKa values of different metal ions ?(A)
Fe2+ < Ni2+ < Cr3+ < Fe3+
(B)
Cr3+ < Fe3+ < Fe2+ < Ni2+
--- Content provided by FirstRanker.com ---
(C)Fe3+ < Cr3+ < Ni2+ < Fe2+ (Correct Answer)
(D)
Cr3+ < Fe3+ < Ni2+ < Fe2+
(E)
--- Content provided by FirstRanker.com ---
Fe2+ < Fe3+ < Ni2+ < Cr3+--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
Question No.25 (Question Id - 39)(A)
2.95 x 1010 (Correct Answer)
(B)
3.52 x 1015
--- Content provided by FirstRanker.com ---
(C)4.4 x 108
(D)
3.52 x 104
(E)
--- Content provided by FirstRanker.com ---
4.1 x 1017Question No.26 (Question Id - 5)
(A)
B < A < C < D
(B)
--- Content provided by FirstRanker.com ---
A < C < D < B(C)
A < B < C < D (Correct Answer)
(D)
B < D < C < A
--- Content provided by FirstRanker.com ---
(E)C < D < A < B
Question No.27 (Question Id - 21)
(A)
(Correct Answer)
--- Content provided by FirstRanker.com ---
(B)(C)
(D)
(E)
Question No.28 (Question Id - 47)
--- Content provided by FirstRanker.com ---
A researcher has measured the room temperature magnetic moments of Na2[PdCl4] and [Fe(H2O)6](ClO4)2. In your opinion,which of the following set of answers fits well with your expectation ?
(A)
0 and 5.1B, respectively (Correct Answer)
(B)
--- Content provided by FirstRanker.com ---
2.9 B and 0, respectively(C)
0 and 4.7B, respectively
(D)
2.83B and 4.90B, respectively
--- Content provided by FirstRanker.com ---
(E)0 and 0, respectively
Question No.29 (Question Id - 23)
(A)
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
(Correct Answer)
(B)
(C)
--- Content provided by FirstRanker.com ---
(D)(E)
Question No.30 (Question Id - 4)
The de-Broglie wavelength associated with an electron in the first Bohr orbit of hydrogen atom is :
(A)
--- Content provided by FirstRanker.com ---
5.30 pm(B)
332 pm (Correct Answer)
(C)
3.30 nm
--- Content provided by FirstRanker.com ---
(D)5.32 nm
(E)
727 pm
Question No.31 (Question Id - 44)
--- Content provided by FirstRanker.com ---
Categorize the following compounds according to the increasing order of C - O bond distances :A. [V(CO)6]-
B. [Fe(CO)6]2+
C. [Mn(CO)6]+
D. [Cr(CO)6]
--- Content provided by FirstRanker.com ---
E. [Fe(CO)4]2-Choose the correct answer from the options given below :
(A)
B < C < D < A < E (Correct Answer)
(B)
--- Content provided by FirstRanker.com ---
A < E < D < C < B(C)
E < A < D < C < B
(D)
B < C < E < D < A
--- Content provided by FirstRanker.com ---
(E)E < A < D < B < C
Question No.32 (Question Id - 24)
(A)
(B)
--- Content provided by FirstRanker.com ---
(C)--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
(Correct Answer)
(D)
(E)
--- Content provided by FirstRanker.com ---
Question No.33 (Question Id - 40)(A)
2.25 V
(B)
2.21 V (Correct Answer)
--- Content provided by FirstRanker.com ---
(C)2.19 V
(D)
- 2.19 V
(E)
--- Content provided by FirstRanker.com ---
2.3 VQuestion No.34 (Question Id - 22)
(A)
(B)
(C)
--- Content provided by FirstRanker.com ---
(D)(E)
(Correct Answer)
Question No.35 (Question Id - 28)
(A)
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
(B)
(C)
(D)
--- Content provided by FirstRanker.com ---
(Correct Answer)(E)
Question No.36 (Question Id - 14)
The observed fluorescence lifetime of a certain fluorophore is 25.0 x 10-9 s and its fluorescence quantum yield is 0.50. The
rate constant for fluorescence KF is :
--- Content provided by FirstRanker.com ---
(A)12.5 x 107 s-1
(B)
0.5 x 107 s-1
(C)
--- Content provided by FirstRanker.com ---
2.0 x 107 s-1 (Correct Answer)(D)
4.0 x 107 s-1
(E)
5.0 x 108 s-1
--- Content provided by FirstRanker.com ---
Question No.37 (Question Id - 13)Given that for a certain reaction, Keq at 300 K is 20.0 and H = 100 kJmol-1, the value of Keq for the same reaction at 400 K,
assuming H to be independent of temperature, is closest to :
[R = 8.3 JK-1mol-1]
(A)
--- Content provided by FirstRanker.com ---
20e10 (Correct Answer)(B)
20e83
(C)
(D)
--- Content provided by FirstRanker.com ---
40e(E)
20e
Question No.38 (Question Id - 48)
Consider a metal complex where the metal ion is present in a trigonalbipyramidal geometry. In your opinion, which of the
--- Content provided by FirstRanker.com ---
following order according to the energy of d-orbitals is correct ?(A)
dx2 - y2 > dz2 > dxy > dxz = dyz
(B)
dz2 > dxy = dx2 -y2 > dxz = dyz (Correct Answer)
--- Content provided by FirstRanker.com ---
(C)dz2 > dxz = dyz > dxy > dx2-y2
(D)
dx2-y2 > dxy > dz2 > dxz = dyz
(E)
--- Content provided by FirstRanker.com ---
dz2 = dx2-y2 > dxy = dyz = dzxQuestion No.39 (Question Id - 11)
For an ideal mixture composed of two components, which of the following is correct ? [x is the mole fraction of one of the
components in the mixture]
(A)
--- Content provided by FirstRanker.com ---
(B)
--- Content provided by FirstRanker.com ---
(C)(D)
(Correct Answer)
(E)
Question No.40 (Question Id - 36)
--- Content provided by FirstRanker.com ---
Choose the correct set of answers among the following sets :A. Lowest angle XPX (X = F, Cl or Br) among :
(a) F3PO, (b) Cl3PO, (c) Br3PO
B. Lowest angle XCX (X = F, Cl or CH3) among :
(a) F2C = O, (b) Cl2C = O, (c) Me2C = O
--- Content provided by FirstRanker.com ---
C. Lowest energy of inversion among :(a) N(CH3)3, (b) P(CH3)3, (c) As(CH3)3
Choose the correct answer from the options given below :
(A)
A(a), B(b), C(c)
--- Content provided by FirstRanker.com ---
(B)A(c), B(a), C(b)
(C)
A(a), B(b), C(a)
(D)
--- Content provided by FirstRanker.com ---
A(a), B(a), C(a) (Correct Answer)(E)
A(b), B(b), C(b)
Question No.41 (Question Id - 3)
Assume an experimental measurement can predict the position of an electron with an accuracy of ?1 x 10-11 m at time t. The
--- Content provided by FirstRanker.com ---
uncertainty in the electron's position after (t + 10) s would be :(A)
2.9 x 1011 m
(B)
5.8 x 104 km (Correct Answer)
--- Content provided by FirstRanker.com ---
(C)6.2 x 107 km
(D)
5.0 x 105 m
(E)
--- Content provided by FirstRanker.com ---
11.6 x 103 mQuestion No.42 (Question Id - 46)
Consider you have five complex solution in water, where the concentration of each solution are 0.5 mM.
A. [CoCl4]2-
B. [Co(H2O)6]2+
--- Content provided by FirstRanker.com ---
C. [Cr(H2O)6]3+D. [Mn(H2O)6]2+
E. [Fe(CN)6]2+
In your opinion, which of the above complex will have highest molar extinction coefficient value for d - d transition ?
(A)
--- Content provided by FirstRanker.com ---
A (Correct Answer)(B)
B
(C)
C
--- Content provided by FirstRanker.com ---
(D)D
(E)
E
Question No.43 (Question Id - 35)
--- Content provided by FirstRanker.com ---
Choose the correct set of answers among following :A. Highest solubility in water between the following compounds :
(a) CsF, (b) NaF
--- Content provided by FirstRanker.com ---
B. Highest melting point between the following compounds :
(a) AlBr3, (b) MgBr2
C. CsF and NaCl has
(a) 8 : 8 and 6 : 6 coordination geometry, respectively.
--- Content provided by FirstRanker.com ---
(b) 6 : 6 and 6 : 6 coordination geometry, respectively.Choose the correct answer from the options given below :
(A)
A(a), B(b), C(a) (Correct Answer)
(B)
--- Content provided by FirstRanker.com ---
A(b), B(a), C(b)(C)
A(b), B(a), C(a)
(D)
A(a), B(b), C(b)
--- Content provided by FirstRanker.com ---
(E)A(b), B(b), C(a)
Question No.44 (Question Id - 15)
(A)
A = B > C
--- Content provided by FirstRanker.com ---
(B)B < A < C (Correct Answer)
(C)
B > C > A
(D)
--- Content provided by FirstRanker.com ---
A > B = C(E)
C < B < A
Question No.45 (Question Id - 43)
(A)
--- Content provided by FirstRanker.com ---
A > D > C > B (Correct Answer)(B)
D > B > C > A
(C)
B > C > D > A
--- Content provided by FirstRanker.com ---
(D)A > C > D > B
(E)
D > A > C > B
Question No.46 (Question Id - 42)
--- Content provided by FirstRanker.com ---
(A)(C2H5)4Pb (Correct Answer)
(B)
(C2H5)2Pb
(C)
--- Content provided by FirstRanker.com ---
Pb2(C2H5)2(D)
(C2H5)6Pb
(E)
(C2H5)3PbCl
--- Content provided by FirstRanker.com ---
Question No.47 (Question Id - 9)The below question has been dropped and full marks are awarded.
A container containing 1.0 mole of an ideal monoatomic gas at 127C is expanded reversibly and isothermally from an initial
pressure of 3.0 atm to a final pressure of 1.0 atm. The values of , H and Ssys for this process are :
[R = 8.3 Jmol-1K-1]
--- Content provided by FirstRanker.com ---
(A)= - 9.96 kJ ; H = 0 ; Ssys = 24.9 JK-1
(B)
--- Content provided by FirstRanker.com ---
= - 9.96 kJ ; H = 0 ; Ssys = 16.6 JK-1(C)
= - 6.64 kJ ; H = 0 ; Ssys = 24.9 JK-1
(D)
= - 3.32 kJ ; H = 0 ; Ssys = 24.9 JK-1
--- Content provided by FirstRanker.com ---
(E)= - 6.64 kJ ; H = 0 ; Ssys = 16.6 JK-1
Question No.48 (Question Id - 33)
(A)
A = Proline, B = Alanine, C = Glycine, D = Tryptophan
--- Content provided by FirstRanker.com ---
(B)A = Proline, B = Alanine, C = Tryptophan, D = Glycine
(C)
A = Glycine, B = Proline, C = Alanine, D = Tryptophan
(D)
--- Content provided by FirstRanker.com ---
A = Alanine, B = Proline, C = Tryptophan, D = Glycine(E)
A = Alanine, B = Proline, C = Glycine, D = Tryptophan (Correct Answer)
Question No.49 (Question Id - 17)
(A)
--- Content provided by FirstRanker.com ---
1S, 6S (Correct Answer)(B)
1R, 6R
(C)
1R, 6S
--- Content provided by FirstRanker.com ---
(D)1S, 6R
(E)
1R, 5S
Question No.50 (Question Id - 34)
--- Content provided by FirstRanker.com ---
Choose the correct set of answers among following :A. Lowest melting point among following compounds :
(a) Si, (b) Ge, (c) Sn
B. A tetrahalide that `does not' exist
(a) SnI4, (b) GeI4, (c) PbI4
--- Content provided by FirstRanker.com ---
C. Which of the following MH4 will react with 0.5 N NaOH ?(a) CH4, (b) SiH4, (c) GeH4
Choose the correct answer from the options given below :
(A)
A(a), B(a), C(c)
--- Content provided by FirstRanker.com ---
(B)A(c), B(b), C(c)
(C)
A(c), B(c), C(b) (Correct Answer)
(D)
--- Content provided by FirstRanker.com ---
A(b), B(c), C(b)(E)
A(c), B(b), C(b)
Save & Print
--- Content provided by FirstRanker.com ---