Download Graduate Aptitude Test in Engineering (GATE) 2015 CY Chemistry Question Paper
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
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GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
GATE 2015 CHEMISTRY ? CY
Q.37 The percent transmittance of 8 ? 10
?5
M solution of KMnO
4
is 39.8 when measured at 510 nm in a
cell of path length of 1 cm. The absorbance and the molar extinction coefficient (in M
?1
cm
?1
) of
this solution are, respectively,
(A) 0.30 and 4500 (B) 0.35 and 4800 (C) 0.4 and 5000 (D) 0.48 and 5200
Q.38 The value of ?g? and the number of signals observed for the reference standard,
diphenylpicrylhydrazyl (DPPH), in the solid state ESR spectrum are, respectively,
(A) 2.0036 and 1 (B) 2.0036 and 3 (C) 2.2416 and 1 (D) 2.2416 and 3
Q.39 Ammonolysis of S
2
Cl
2
in an inert solvent gives
(A) S
2
N
2
(B) S
2
N
2
Cl
2
(C) S
2
N
2
H
4
(D) S
4
N
4
Q.40 The complexes K
2
[NiF
6
] and K
3
[CoF
6
] are
(A) both paramagnetic (B) both diamagnetic
(C) paramagnetic and diamagnetic, respectively (D) diamagnetic and paramagnetic, respectively
Q.41 The point group of IF
7
is
(A) D
6h
(B) D
5h
(C) C
6v
(D) C
5v
Q.42 When one CO group is replaced by PPh
3
in [Cr(CO)
6
], which one of the following statements is
TRUE?
(A) The Cr-C bond length increases and CO bond length decreases
(B) The Cr-C bond length decreases and CO bond length decreases
(C) The Cr-C bond length decreases and CO bond length increases
(D) The Cr-C bond length increases and CO bond length increases
Q.43 Identify X in the reaction, [Pt(NH
3
)
4
]
2+
+ 2 HCl ? X
(A) cis-[PtCl
2
(NH
3
)
2
] (B) trans-[PtCl
2
(NH
3
)
2
]
(C) [PtCl(NH
3
)
3
]
+
(D) [PtCl
3
(NH
3
)]
?
Q.44 Identify the function of hemocyanin and the metal responsible for it.
(A) O
2
transport and Fe (B) O
2
transport and Cu
(C) electron transport and Fe (D) electron transport and Cu
CY 8/12
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GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
GATE 2015 CHEMISTRY ? CY
Q.37 The percent transmittance of 8 ? 10
?5
M solution of KMnO
4
is 39.8 when measured at 510 nm in a
cell of path length of 1 cm. The absorbance and the molar extinction coefficient (in M
?1
cm
?1
) of
this solution are, respectively,
(A) 0.30 and 4500 (B) 0.35 and 4800 (C) 0.4 and 5000 (D) 0.48 and 5200
Q.38 The value of ?g? and the number of signals observed for the reference standard,
diphenylpicrylhydrazyl (DPPH), in the solid state ESR spectrum are, respectively,
(A) 2.0036 and 1 (B) 2.0036 and 3 (C) 2.2416 and 1 (D) 2.2416 and 3
Q.39 Ammonolysis of S
2
Cl
2
in an inert solvent gives
(A) S
2
N
2
(B) S
2
N
2
Cl
2
(C) S
2
N
2
H
4
(D) S
4
N
4
Q.40 The complexes K
2
[NiF
6
] and K
3
[CoF
6
] are
(A) both paramagnetic (B) both diamagnetic
(C) paramagnetic and diamagnetic, respectively (D) diamagnetic and paramagnetic, respectively
Q.41 The point group of IF
7
is
(A) D
6h
(B) D
5h
(C) C
6v
(D) C
5v
Q.42 When one CO group is replaced by PPh
3
in [Cr(CO)
6
], which one of the following statements is
TRUE?
(A) The Cr-C bond length increases and CO bond length decreases
(B) The Cr-C bond length decreases and CO bond length decreases
(C) The Cr-C bond length decreases and CO bond length increases
(D) The Cr-C bond length increases and CO bond length increases
Q.43 Identify X in the reaction, [Pt(NH
3
)
4
]
2+
+ 2 HCl ? X
(A) cis-[PtCl
2
(NH
3
)
2
] (B) trans-[PtCl
2
(NH
3
)
2
]
(C) [PtCl(NH
3
)
3
]
+
(D) [PtCl
3
(NH
3
)]
?
Q.44 Identify the function of hemocyanin and the metal responsible for it.
(A) O
2
transport and Fe (B) O
2
transport and Cu
(C) electron transport and Fe (D) electron transport and Cu
CY 8/12
GATE 2015 CHEMISTRY ? CY
Q.45 The limiting current (in ?A) from the reduction of 3 ? 10
?4
M Pb
2+
, using a dropping mercury
electrode (DME) with characteristics, m = 3.0 mg s
?1
and t = 3s, is
(diffusion coefficient of Pb
2+
= 1.2 ? 10
?5
cm
2
s
?1
) _______________
Q.46 The number of possible stereoisomers obtained in the following reaction is _______________
Q.47 The major product formed in the following reaction is
(A) (B)
(C)
(D)
Q.48 The most suitable reagent(s) to effect the following transformation is
(A) N
2
H
4
, KOH, heat (B) TsNHNH
2
, CF
3
COOH
(C) LiAlH
4
(D) Na, liq. NH
3
CY 9/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
GATE 2015 CHEMISTRY ? CY
Q.37 The percent transmittance of 8 ? 10
?5
M solution of KMnO
4
is 39.8 when measured at 510 nm in a
cell of path length of 1 cm. The absorbance and the molar extinction coefficient (in M
?1
cm
?1
) of
this solution are, respectively,
(A) 0.30 and 4500 (B) 0.35 and 4800 (C) 0.4 and 5000 (D) 0.48 and 5200
Q.38 The value of ?g? and the number of signals observed for the reference standard,
diphenylpicrylhydrazyl (DPPH), in the solid state ESR spectrum are, respectively,
(A) 2.0036 and 1 (B) 2.0036 and 3 (C) 2.2416 and 1 (D) 2.2416 and 3
Q.39 Ammonolysis of S
2
Cl
2
in an inert solvent gives
(A) S
2
N
2
(B) S
2
N
2
Cl
2
(C) S
2
N
2
H
4
(D) S
4
N
4
Q.40 The complexes K
2
[NiF
6
] and K
3
[CoF
6
] are
(A) both paramagnetic (B) both diamagnetic
(C) paramagnetic and diamagnetic, respectively (D) diamagnetic and paramagnetic, respectively
Q.41 The point group of IF
7
is
(A) D
6h
(B) D
5h
(C) C
6v
(D) C
5v
Q.42 When one CO group is replaced by PPh
3
in [Cr(CO)
6
], which one of the following statements is
TRUE?
(A) The Cr-C bond length increases and CO bond length decreases
(B) The Cr-C bond length decreases and CO bond length decreases
(C) The Cr-C bond length decreases and CO bond length increases
(D) The Cr-C bond length increases and CO bond length increases
Q.43 Identify X in the reaction, [Pt(NH
3
)
4
]
2+
+ 2 HCl ? X
(A) cis-[PtCl
2
(NH
3
)
2
] (B) trans-[PtCl
2
(NH
3
)
2
]
(C) [PtCl(NH
3
)
3
]
+
(D) [PtCl
3
(NH
3
)]
?
Q.44 Identify the function of hemocyanin and the metal responsible for it.
(A) O
2
transport and Fe (B) O
2
transport and Cu
(C) electron transport and Fe (D) electron transport and Cu
CY 8/12
GATE 2015 CHEMISTRY ? CY
Q.45 The limiting current (in ?A) from the reduction of 3 ? 10
?4
M Pb
2+
, using a dropping mercury
electrode (DME) with characteristics, m = 3.0 mg s
?1
and t = 3s, is
(diffusion coefficient of Pb
2+
= 1.2 ? 10
?5
cm
2
s
?1
) _______________
Q.46 The number of possible stereoisomers obtained in the following reaction is _______________
Q.47 The major product formed in the following reaction is
(A) (B)
(C)
(D)
Q.48 The most suitable reagent(s) to effect the following transformation is
(A) N
2
H
4
, KOH, heat (B) TsNHNH
2
, CF
3
COOH
(C) LiAlH
4
(D) Na, liq. NH
3
CY 9/12
GATE 2015 CHEMISTRY ? CY
Q.49 The major product formed in the following reaction is
(A) (B)
(C) (D)
Q.50 Solvolysis of the optically active compound X gives, mainly
(A)
(B)
(C)
(D)
CY 10/12
FirstRanker.com - FirstRanker's Choice
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Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
CY 3/12
GATE 2015 CHEMISTRY ? CY
Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
GATE 2015 CHEMISTRY ? CY
Q.37 The percent transmittance of 8 ? 10
?5
M solution of KMnO
4
is 39.8 when measured at 510 nm in a
cell of path length of 1 cm. The absorbance and the molar extinction coefficient (in M
?1
cm
?1
) of
this solution are, respectively,
(A) 0.30 and 4500 (B) 0.35 and 4800 (C) 0.4 and 5000 (D) 0.48 and 5200
Q.38 The value of ?g? and the number of signals observed for the reference standard,
diphenylpicrylhydrazyl (DPPH), in the solid state ESR spectrum are, respectively,
(A) 2.0036 and 1 (B) 2.0036 and 3 (C) 2.2416 and 1 (D) 2.2416 and 3
Q.39 Ammonolysis of S
2
Cl
2
in an inert solvent gives
(A) S
2
N
2
(B) S
2
N
2
Cl
2
(C) S
2
N
2
H
4
(D) S
4
N
4
Q.40 The complexes K
2
[NiF
6
] and K
3
[CoF
6
] are
(A) both paramagnetic (B) both diamagnetic
(C) paramagnetic and diamagnetic, respectively (D) diamagnetic and paramagnetic, respectively
Q.41 The point group of IF
7
is
(A) D
6h
(B) D
5h
(C) C
6v
(D) C
5v
Q.42 When one CO group is replaced by PPh
3
in [Cr(CO)
6
], which one of the following statements is
TRUE?
(A) The Cr-C bond length increases and CO bond length decreases
(B) The Cr-C bond length decreases and CO bond length decreases
(C) The Cr-C bond length decreases and CO bond length increases
(D) The Cr-C bond length increases and CO bond length increases
Q.43 Identify X in the reaction, [Pt(NH
3
)
4
]
2+
+ 2 HCl ? X
(A) cis-[PtCl
2
(NH
3
)
2
] (B) trans-[PtCl
2
(NH
3
)
2
]
(C) [PtCl(NH
3
)
3
]
+
(D) [PtCl
3
(NH
3
)]
?
Q.44 Identify the function of hemocyanin and the metal responsible for it.
(A) O
2
transport and Fe (B) O
2
transport and Cu
(C) electron transport and Fe (D) electron transport and Cu
CY 8/12
GATE 2015 CHEMISTRY ? CY
Q.45 The limiting current (in ?A) from the reduction of 3 ? 10
?4
M Pb
2+
, using a dropping mercury
electrode (DME) with characteristics, m = 3.0 mg s
?1
and t = 3s, is
(diffusion coefficient of Pb
2+
= 1.2 ? 10
?5
cm
2
s
?1
) _______________
Q.46 The number of possible stereoisomers obtained in the following reaction is _______________
Q.47 The major product formed in the following reaction is
(A) (B)
(C)
(D)
Q.48 The most suitable reagent(s) to effect the following transformation is
(A) N
2
H
4
, KOH, heat (B) TsNHNH
2
, CF
3
COOH
(C) LiAlH
4
(D) Na, liq. NH
3
CY 9/12
GATE 2015 CHEMISTRY ? CY
Q.49 The major product formed in the following reaction is
(A) (B)
(C) (D)
Q.50 Solvolysis of the optically active compound X gives, mainly
(A)
(B)
(C)
(D)
CY 10/12
GATE 2015 CHEMISTRY ? CY
Q.51 The major product formed in the following reaction is
(A) (B)
(C) (D)
Q.52 The tetrapeptide, Ala-Val-Phe-Met, on reaction with Sanger?s reagent, followed by hydrolysis gives
(A) (B)
(C) (D)
Q.53 The major product formed in the following reaction is
(A)
(B)
(C)
(D)
CY 11/12
FirstRanker.com - FirstRanker's Choice
GATE 2015 CHEMISTRY ? CY
Useful information - CY Chemistry
Avogadro constant = 6.022 ?10
23
mol
?1
Planck constant = 6.626 ? 10
?34
J s
Mass of an electron = 9.109 x 10
?31
Kg
Charge of an electron = 1.602 x 10
?19
C
Universal gas constant = 8.314 J K
?1
mol
?1
= 0.0831 L bar K
?1
mol
?1
Boltzmann constant = 1.38 x 10
?23
J K
?1
1 atm pressure = 101325 N m
?2
Faraday constant = 96485 C mol
?1
2.303 RT/F at 298 K = 0.059 V
CY 1/12
GATE 2015
CY
Q. 1 ? Q. 2
Q.1 Wh
(A)
(C)
Q.2
Wh
(A)
Q.3
Fro
in i
(A)
Q.4 For
pro
(A)
25 carry o
hich one of th
)
)
hen the oper
) k
2
?
2
e
?ikx
om the above
internal energ
) I and II
r an ideal ga
oportional to
) M
3/2
one mark e
he following
rator, ??
2
d
2
/d
(B)
e Carnot cycl
gy is NON-Z
(B)
as with mol
(B)
P
each.
g plots repres
dx
2
, operates
ik
2
?
2
e
?ikx
le undergone
ZERO.
II and IV
lar mass M,
M
1/2
ents an accep
(B)
(D)
s on the func
(C)
e by an ideal
(C)
the molar t
(C)
V
ptable wavef
)
)
ction e
?ikx
, th
i ?
2
e
?ikx
gas, identify
II and III
translational
e
M
function?
e result is
(D)
y the process
(D)
entropy at
(D)
CHE
?
2
e
?ikx
ses in which t
I and IV
a given tem
ln(M)
EMISTRY ? CY
2/12
the change
mperature is
Y
2
GATE 2015 CHEMISTRY ? CY
Q.5 Which one of the following defines the absolute temperature of a system?
(A)
(B)
(C)
(D)
Q.6 Which of the ollowing properties are characteristic of an ideal solution? f
(i) (
mix
G)
T, P
is negative ?
(ii) (
mix
S)
T, P
is positive ?
(iii) (
mix
V)
T, P
is positive ?
(iv) (?
mix
H)
T, P
is negative
(A) (i) and (iv) (B) (i) and (ii) (C) (i) and (iii) (D) (iii) and (iv)
Q.7 The expression for the equilibrium constant (K
eq
) for the enzyme catalyzed reaction given below, is
(A)
(B)
(C)
(D)
Q.8 Given the E
0
values for fo cti enc the llowing rea on sequ e,
Mn
.
.
Mn
Mn
.
Mn
. Mn
the computed value of E
0
for Mn
?Mn
(in volts) is _______________
Q.9 The absorption spectrum of [Ti(H
2
O)
6
]
3+
in solution comprises of a maximum with a shoulder. The
reason for the shoulder is
(A) ligand-to-metal charge transfer (LMCT)
(B) metal-to-ligand charge transfer (MLCT)
(C) Jahn-Teller distortion
(D) nephelauxetic effect
Q.10 The ease of formation of the adduct, NH
3
?BX
3
(where, X = F, Cl, Br) follows the order
(A) BBr
3
< BCl
3
< BF
3
(B) BCl
3
< BF
3
< BBr
3
(C) BF
3
< BCl
3
< BBr
3
(D) BBr
3
< BF
3
< BCl
3
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Q.11 An efficient catalyst for hydrogenation of alkenes is [Rh(PPh
3
)
3
Cl]. However, [Ir(PPh
3
)
3
Cl] does
not catalyze this reaction, because
(A) PPh
3
binds stronger to Ir than to Rh (B) Cl binds stronger to Ir than to Rh
(C) PPh
3
binds stronger to Rh than to Ir (D) Cl binds stronger to Rh than to Ir
Q.12 Among the given pH values, the O
2
binding efficiency of hemoglobin is maximum at
(A) 6.8 (B) 7.0 (C) 7.2 (D) 7.4
Q.13 The intense red color of [Fe(bpy)
3
]
2+
(bpy = 2,2 ?-bipyridine) is due to
(A) metal-to-ligand charge transfer (MLCT) (B) ligand-to-metal charge transfer (LMCT)
(C) d-d transition (D) inter-valence charge transfer (IVCT)
Q.14 The compound with planar geometry is
(A) N(t-Bu)
3
(B) NPh
3
(C) NF
3
(D) N(SiH
3
)
3
Q.15 The electrical conductivity of a metal
(A) increases with increasing temperature
(B) decreases with increasing temperature
(C) is independent of temperature
(D) shows oscillatory behaviour with temperature
Q.16 Which one of the following statements is INCORRECT?
(A) Frenkel defect is a cation vacancy and a cation interstitial.
(B) Frenkel defect is an anion vacancy and a cation interstitial.
(C) Density of a solid remains unchanged in case of Frenkel defects.
(D) Density of a solid decreases in case of Schottky defects.
Q.17 The absolute configuration of C2 and C3 in the following compound is
(A) 2R, 3S (B) 2S, 3R (C) 2S, 3S (D) 2R, 3R
CY 4/12
GATE 2015 CHEMISTRY ? CY
Q.18 Among the following compounds, the one that is non-aromatic, is
(A) (B) (C) (D)
Q.19 The correct order of reactivity of p-halonitrobenzenes in the following reaction is
(A) p-chloronitrobenzene > p-iodonitrobenzene > p-fluoronitrobenzene > p-bromonitrobenzene
(B) p-fluoronitrobenzene > p-chloronitrobenzene > p-bromonitrobenzene > p-iodonitrobenzene
(C) p-iodonitrobenzene > p-bromonitrobenzene > p-chloronitrobenzene > p-fluoronitrobenzene
(D) p-bromonitrobenzene > p-fluoronitrobenzene > p-iodonitrobenzene > p-chloronitrobenzene
Q.20 Tollen?s test is NEGATIVE for
(A) mannose (B) maltose (C) glucose (D) sucrose
Q.21 The compound given below is a
(A) sesterterpene (B) monoterpene (C) sesquiterpene (D) triterpene
Q.22 Amongst the following, the compound that DOES NOT act as a diene in Diels-Alder reaction is
(A)
(B) (C) (D)
Q.23 The following conversion is an example of
(A) Arndt-Eistert homologation (B) Mannich reaction
(C) Michael addition (D) Chichibabin amination reaction
CY 5/12
GATE 2015 CHEMISTRY ? CY
Q.24 The mass spectrum of a dihalo compound shows peaks with relative intensities of 1:2:1
corresponding to M, M+2 and M+4 (M is the mass of the molecular ion), respectively. The
compound is
(A) (B) (C) (D)
Q.25 Reaction of benzaldehyde and p-methylbenzaldehyde under McMurry coupling conditions (TiCl
3
and LiAlH
4
) gives a mixture of alkenes. The number of alkenes formed is _______________
Q. 26 ? Q. 55 carry two marks each.
Q.26 The difference in the ground state energies (kJ/mol) of an electron in one-dimensional boxes of
lengths 0.2 nm and 2 nm is _______________
Q.27 The mean ionic activity coefficient of 0.001 molal ZnSO
4
(aq) at 298 K according to the Debye-
H?ckel limiting law is (Debye-H?ckel constant is 0.509 molal
??
) _______________
Q.28 The process given below follows the Langmuir adsorption isotherm.
If ? denotes the surface coverage and P denotes the pressure, the slope of the plot of 1/? versus
1/? is
(A) 1/(K
eq
)
2
(B) 1/K
eq
(C) ?1/K
eq
(D) 1/(K
eq
)
1/2
Q.29 For a gas phase unimolecular reaction at temperature 298 K, with a pre-exponential factor of
2.17 ? 10
13
s
?1
, the entropy of activation (J K
?1
mol
?1
) is _______________
Q.30 A liquid has vapor pressure of 2.02 ?10
3
N m
?2
at 293 K and heat of vaporization of 41 kJ mol
?1
.
The boiling point of the liquid (in Kelvin) is _______________
CY 6/12
GATE 2015
CY
Q.31 The
and
(A)
Q.32 The
gas
5 N
Q.33 The
hal
Q.34 On
sub
the
Q.35 The
rate
(A)
Q.36 The
?a?
(A)
e rotational p
d 1, is (where
) 1+e
?2?
e internal en
s expands fro
N m
?2
, the cha
e solubility p
f-cell,
0
g
E
? ??
e mole of a
bstance is giv
substance i
e potential e
e constants k
) k
2
< k
3
<
k
1
e distance be
is
) ?2 a
PE
partition fun
e, ? is a cons
(B)
ergy of an id
om an initial
ange in inter
product of A
gBr(s) Br
?
? ?
is 0.0
a substance
ven by,
s _________
nergy (PE) v
k
1
, k
2
and k
3
, a
(B)
etween two
(B)
E
nction of a di
tant)
1+3e
?2?
deal gas follo
volume of 0
rnal energy (i
AgBr(s) is 5
07 V, the sta
is heated fr
J K
mol
_______
versus reacti
are given bel
k
2
< k
1
< k
3
successive (
?3 a
k
1
iatomic mole
(C)
ows the equa
0.25 m
3
to a f
in Joules) is
?10
?13
at 29
andard reduct
om 300 K t
50. 1
ion coordina
low. The inc
(C)
110) planes
(C)
Reaction
ecule with en
1+ e
?3?
ation U = 3.5
final volume
(given PV
1.3
98 K. If the
tion potentia
to 400 K at
1 . The cha
ate diagrams
creasing orde
k
3
< k
2
< k
1
in a simple
2?2 a
k
2
coordinate
nergy levels
(D)
5 PV + k, wh
e of 0.86 m
3
.
3
= constant)
standard red
al, (
+
0
gg
E
???
i
t constant pr
ange in entr
for electron
er of the rate
(D)
cubic lattice
(D)
CHE
correspondi
1+3e
?3?
here k is a co
If the initial
) __________
duction pote
in volts) is __
ressure. The
ropy, in J K
n transfer rea
constants is
k
3
< k
1
< k
2
e with lattice
?
k
3
EMISTRY ? CY
7/12
ing to J = 0
onstant. The
l pressure is
______
ntial of the
________.
e C
P
of the
mol
, of
actions with
e parameter
Y
2
GATE 2015 CHEMISTRY ? CY
Q.37 The percent transmittance of 8 ? 10
?5
M solution of KMnO
4
is 39.8 when measured at 510 nm in a
cell of path length of 1 cm. The absorbance and the molar extinction coefficient (in M
?1
cm
?1
) of
this solution are, respectively,
(A) 0.30 and 4500 (B) 0.35 and 4800 (C) 0.4 and 5000 (D) 0.48 and 5200
Q.38 The value of ?g? and the number of signals observed for the reference standard,
diphenylpicrylhydrazyl (DPPH), in the solid state ESR spectrum are, respectively,
(A) 2.0036 and 1 (B) 2.0036 and 3 (C) 2.2416 and 1 (D) 2.2416 and 3
Q.39 Ammonolysis of S
2
Cl
2
in an inert solvent gives
(A) S
2
N
2
(B) S
2
N
2
Cl
2
(C) S
2
N
2
H
4
(D) S
4
N
4
Q.40 The complexes K
2
[NiF
6
] and K
3
[CoF
6
] are
(A) both paramagnetic (B) both diamagnetic
(C) paramagnetic and diamagnetic, respectively (D) diamagnetic and paramagnetic, respectively
Q.41 The point group of IF
7
is
(A) D
6h
(B) D
5h
(C) C
6v
(D) C
5v
Q.42 When one CO group is replaced by PPh
3
in [Cr(CO)
6
], which one of the following statements is
TRUE?
(A) The Cr-C bond length increases and CO bond length decreases
(B) The Cr-C bond length decreases and CO bond length decreases
(C) The Cr-C bond length decreases and CO bond length increases
(D) The Cr-C bond length increases and CO bond length increases
Q.43 Identify X in the reaction, [Pt(NH
3
)
4
]
2+
+ 2 HCl ? X
(A) cis-[PtCl
2
(NH
3
)
2
] (B) trans-[PtCl
2
(NH
3
)
2
]
(C) [PtCl(NH
3
)
3
]
+
(D) [PtCl
3
(NH
3
)]
?
Q.44 Identify the function of hemocyanin and the metal responsible for it.
(A) O
2
transport and Fe (B) O
2
transport and Cu
(C) electron transport and Fe (D) electron transport and Cu
CY 8/12
GATE 2015 CHEMISTRY ? CY
Q.45 The limiting current (in ?A) from the reduction of 3 ? 10
?4
M Pb
2+
, using a dropping mercury
electrode (DME) with characteristics, m = 3.0 mg s
?1
and t = 3s, is
(diffusion coefficient of Pb
2+
= 1.2 ? 10
?5
cm
2
s
?1
) _______________
Q.46 The number of possible stereoisomers obtained in the following reaction is _______________
Q.47 The major product formed in the following reaction is
(A) (B)
(C)
(D)
Q.48 The most suitable reagent(s) to effect the following transformation is
(A) N
2
H
4
, KOH, heat (B) TsNHNH
2
, CF
3
COOH
(C) LiAlH
4
(D) Na, liq. NH
3
CY 9/12
GATE 2015 CHEMISTRY ? CY
Q.49 The major product formed in the following reaction is
(A) (B)
(C) (D)
Q.50 Solvolysis of the optically active compound X gives, mainly
(A)
(B)
(C)
(D)
CY 10/12
GATE 2015 CHEMISTRY ? CY
Q.51 The major product formed in the following reaction is
(A) (B)
(C) (D)
Q.52 The tetrapeptide, Ala-Val-Phe-Met, on reaction with Sanger?s reagent, followed by hydrolysis gives
(A) (B)
(C) (D)
Q.53 The major product formed in the following reaction is
(A)
(B)
(C)
(D)
CY 11/12
GATE 2015 CHEMISTRY ? CY
Q.54 The Beckmann rearrangement of a bromoacetophenone oxime (C
8
H
8
BrNO) gives a major product
having the following
1
H NMR ( ?, ppm): 9.89 (s, 1H), 7.88 (s, 1H), 7.45 (d, 1H, J = 7.2 Hz),
7.17 (m, 1H), 7.12 (d, 1H, J = 7.0 Hz), 2.06 (s, 3H). The structure of the product is
(A)
(B)
(C)
(D)
Q.55 The major products, K and L formed in the following reactions are
(A) K = L =
(B) K = L =
(C) K = L =
(D) K = L =
END OF THE QUESTION PAPER
CY 12/12
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This post was last modified on 19 December 2019