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Chemistry- CY 2013 GATE Paper (Practice Test)

65 Questions MCQ Test GATE Past Year Papers for Practice (All Branches) | Chemistry- CY 2013 GATE Paper (Practice Test)

Description

This mock test of Chemistry- CY 2013 GATE Paper (Practice Test) for GATE helps you for every GATE entrance exam. This contains 65 Multiple Choice Questions for GATE Chemistry- CY 2013 GATE Paper (Practice Test) (mcq) to study with solutions a complete question bank. The solved questions answers in this Chemistry- CY 2013 GATE Paper (Practice Test) quiz give you a good mix of easy questions and tough questions. GATE students definitely take this Chemistry- CY 2013 GATE Paper (Practice Test) exercise for a better result in the exam. You can find other Chemistry- CY 2013 GATE Paper (Practice Test) extra questions, long questions & short questions for GATE on EduRev as well by searching above.

QUESTION: 1

Q. 1 – Q. 5 carry one mark each.

Q.

if then which of the following options is TRUE

Solution:

QUESTION: 2

The Headmaster ___________ to speak to you.
Which of the following options is incorrect to complete the above sentence?

A.
is wanting
B.
wants
C.
want
D.
was wanting

Solution:

QUESTION: 3

Mahatama Gandhi was known for his humility as

A.
he played an important role in humiliating exit of British from India.
B.
he worked for humanitarian causes.
C.
he displayed modesty in his interactions.
D.
he was a fine human being.

Solution:

QUESTION: 4

"All engineering students" "should learn mechanics", "mathematics and" "how to do computation"

I II III IV

Which of the above underlined parts of the sentence is not appropriate?

A.
I
B.
II
C.
III
D.
IV

Solution:

QUESTION: 5

Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::

A.
cart: road
B.
electricity: wire
C.
sea: beach
D.
music: instrument

Solution:

QUESTION: 6

Q. 6 to Q. 10 carry two marks each.

Velocity of an object fired directly in upward direction is given by V = 80 − 32 t, where t (time)
is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

A.
(1, 3/2)
B.
(1/2, 1)
C.
(1/2, 3/2)
D.
(1, 3)

Solution:

QUESTION: 7

In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents
respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a
randomly drawn autocomponent from the combined lot is found defective, what is the probability
that it was manufactured by M2?

A.
0.35
B.
0.45
C.
0.5
D.
0.4

Solution:

QUESTION: 8

Following table gives data on tourists from different countries visiting India in the year 2011.

Which two countries contributed to the one third of the total number of tourists who visited India in
2011?

A.
USA and Japan
B.
USA and Australia
C.
England and France
D.
Japan and Australia

Solution:

QUESTION: 9

If |−2x + 9| = 3 then the possible value of |−x| − x²would be:

A.
30
B.
-30
C.
-42
D.
42

Solution:

QUESTION: 10

All professors are researchers
Some scientists are professors
Which of the given conclusions is logically valid and is inferred from the above arguments:

A.
All scientists are researchers
B.
All professors are scientists
C.
Some researchers are scientists
D.
No conclusion follows

Solution:

QUESTION: 11

Q. 11 – Q.35 carry one mark each.

The point group symmetry ofCH₂=C=CH₂ is

A.
D_2h
B.
C_2h
C.
C_2v
D.
D_2d

Solution:

QUESTION: 12

Two trial wave functions give ground state
energies E1 and E2, respectively, for themicroscopic particle in a 1-D boxby using the variation
method. If the exact ground state energy is E0, the correct relationship between E₀, E₁ and E₂ is

A.
E₀ = E₁ = E₂
B.
E₀< E₁< E₂
C.
E₀< E₂< E₁
D.
E₀> E₂ = E₁

Solution:

*Answer can only contain numeric values

QUESTION: 13

The ground state energies of H atom and H₂ molecule are –13.6 eV and –31.7 eV, respectively. The
dissociation energy of H₂ is _______ eV.

Solution:

*Answer can only contain numeric values

QUESTION: 14

A 2 L vessel containing 2 g of H2gas at 27 °C is connected to a 2 L vessel containing 176 g of CO2
gas at 27 °C. Assuming ideal behavior of H₂ and CO₂, the partial pressure of H₂ at equilibrium is
________ bar.

Solution:

QUESTION: 15

Consider the reaction at equilibrium.
The equilibrium can be shifted towards the forward direction by

A.
increasing the amount of carbon in the system.
B.
decreasing the volume of the system.
C.
decreasing the pressure of the system.
D.
increasing the temperature of the system.

Solution:

QUESTION: 16

A sparingly soluble electrolyte M2X ionizes as

The solubility product (K_sp), molal solubility (S) and mean molal activity coefficient (γ ) are related
by

Solution:

QUESTION: 17

For the first order consecutive reaction P → Q → R,
under steady state approximation to [Q], the variations of [P], [Q] and [R] with timeare best
represented by

Solution:

*Answer can only contain numeric values

QUESTION: 18

At 273 K and 10 bar,the Langmuir adsorption of a gas on a solid surface gave the fraction of
surface coverage as0.01. The Langmuir adsorption isotherm constant is _________ bar^–1.
(Give the answer to the third decimal place)

Solution:

QUESTION: 19

Conversion of boron trifluoride to tetrafluoroborate accompanies

A.
increase in symmetry and bond elongation
B.
increase in symmetry and bond contraction
C.
decrease in symmetry and bond contraction
D.
decrease in symmetry and bond elongation

Solution:

QUESTION: 20

The correct statement with respect to the bonding of the ligands, Me₃N and Me₃P with the metal
ions Be²⁺ and Pd²⁺ is,

A.
the ligands bind equally strong with both the metal ions as they are dicationic
B.
the ligands bind equally strong with both the metal ions as both the ligands are pyramidal
C.
the binding is stronger for Me₃N with Be²⁺ and Me₃P with Pd²⁺
D.
the binding is stronger for Me₃N with Pd²⁺ and Me₃P with Be²⁺

Solution:

QUESTION: 21

crystal has the lattice parameters a ≠ b ≠ c and α= β= γ= 90^o. The crystal system is

A.
tetragonal
B.
monoclinic
C.
cubic
D.
orthorhombic

Solution:

QUESTION: 22

The by-product formed in the characteristic reaction of (CO)₅Cr=C(OMe)(Me) with MeNH₂ is

A.
CO
B.
MeOH
C.
MeCHO
D.
MeCONH₂

Solution:

QUESTION: 23

The catalyst and co-catalyst used in the Wacker process, respectively, are

A.
PdCl₂and Cu
B.
CuCl₂and [PdCl₄]^2–
C.
Pdand CuCl
D.
[PdCl₄]^2–and CuCl₂

Solution:

QUESTION: 24

Oxymyoglobin Mb(O₂) and oxyhemoglobinHb(O₂)₄, respectively, are

A.
paramagnetic and paramagnetic
B.
diamagnetic and diamagnetic
C.
paramagnetic anddiamagnetic
D.
diamagnetic and paramagnetic

Solution:

*Answer can only contain numeric values

QUESTION: 25

Hapticity of cycloheptatrienein Mo(C₇H₈)(CO)₃is _______.

Important : you should answer only the numeric value

Solution:

*Answer can only contain numeric values

QUESTION: 26

The number of oxygen molecule(s) that a molecule of hemerythrin can transport is _______.

Important : you should answer only the numeric value

Solution:

*Answer can only contain numeric values

QUESTION: 27

The maximum number of stereoisomers possible for the compound given below is _____.

Important : you should answer only the numeric value

Solution:

QUESTION: 28

The correct sequence of the amino acids present in the tripeptide given below is

A.
Val-Ser-Thr
B.
Val-Thr-Ser
C.
Leu-Ser-Thr
D.
Leu-Thr-Ser

Solution:

QUESTION: 29

Among the compounds given in the options A-D, the one that can be used as a formyl anion
equivalent (in the presence of a strong base) is

A.
ethylene
B.
nitroethane
C.
1,3-dithiane
D.
1,4-dithiane

Solution:

QUESTION: 30

The major product formed in the reaction given below is

Solution:

QUESTION: 31

The major product formed in the reaction given below is

Solution:

QUESTION: 32

The pericyclic reaction given below is an example of

A.
[1,3]-sigmatropic shift
B.
[1,5]-sigmatropic shift
C.
[3,5]-sigmatropic shift
D.
[3,3]-sigmatropic shift

Solution:

QUESTION: 33

The major product formed in the reaction of quinoline with potassium amide (KNH2) in liquid
ammonia is

Solution:

*Answer can only contain numeric values

QUESTION: 34

The number of signals that appear in the proton decoupled ¹³C NMR spectrum of benzonitrile
(C₇H₅N) is ________.

Solution:

QUESTION: 35

Among the compounds given in the options A-D,
the one that exhibits a sharp band at around 3300 cm^–1 in the IR spectrum is

A.
1,2-butadiene
B.
1,3-butadiene
C.
1-butyne
D.
2-butyne

Solution:

*Answer can only contain numeric values

QUESTION: 36

Q. 36 to Q. 65 carry two marks each

In the metathesis reaction given below, 4.32 g of the compound X was treated with 822 mg of the
catalyst Y to yield 2.63 g of the product Z. The mol% of the catalystY used in this reaction is ___.
[Atomic weights of Ru = 101; P = 31; Cl = 35.5].

Solution:

QUESTION: 37

An organic compound Q exhibited the following spectral data:
IR: 1760 cm-1
1H NMR: δ (ppm): 7.2 (1H, d, J = 16.0 Hz), 5.1 (1 H, m), 2.1 (3 H, s), 1.8 (3H, d, J = 7.0 Hz)
13C NMR: δ (ppm): 170 (carbonyl carbon).
Compound Q is

Solution:

QUESTION: 38

The major product formed in the Beckmann rearrangement of the compound given below is

Solution:

QUESTION: 39

The major product formed in the reaction given below is

Solution:

QUESTION: 40

The major product formed in the reaction given below is

Solution:

QUESTION: 41

The major product(s) formed in the reaction sequence given below is(are)

Solution:

QUESTION: 42

Match the compounds in the column I with the photochemical reactions that they can undergo
given in the column II

A.
(i)-(q); (ii)-(s); (iii)-(p)
B.
(i)-(r); (ii)-(p); (iii)-(s)
C.
(i)-(p); (ii)-(r); (iii)-(q)
D.
(i)-(r); (ii)-(q); (iii)-(s)

Solution:

QUESTION: 43

is an eigen function of the operator . The corresponding eigen value is

A.
+4
B.
-4
C.
+2
D.
-2

Solution:

QUESTION: 44

The infrared spectrum of HCl gas shows an absorption band centered at 2885 cm^–1. The zero point
energy of HCl molecule under harmonic oscillator approximation is

A.
2.8665 x 10^–22 J
B.
2.8665 x 10^–20 J
C.
5.7330 x 10^–22 J
D.
5.7330 x 10^–20 J

Solution:

QUESTION: 45

For the reaction

given the values, ΔU = 9 kJ and ΔS = 84 J K–1, ΔG is

A.
–11.08 kJ
B.
+11.08 kJ
C.
–13.55 kJ
D.
+13.55kJ

Solution:

*Answer can only contain numeric values

QUESTION: 46

The change in enthalpy when 3 mol of liquid benzene transforms to the vapor state at its boiling
temperature (80 °C) and at 1 bar pressure is _____________ kJ.

Solution:

*Answer can only contain numeric values

QUESTION: 47

The moment of inertia of a homonuclear diatomic molecule is 7.5 × 10^–45 kg m². Its rotational
partition function at 500 K is _____________ .

Solution:

QUESTION: 48

For a reaction of the type the correct rate expression is

([X]0 and [X] correspond to the concentrations of X at time t=0 andt = t, respectively)

Solution:

QUESTION: 49

The temperature dependence of partition functions are as follows:

According to the conventional transition state theory (CTST), the temperature dependence of the
Arrhenius pre-exponential factorfor a reaction of the type given below is

linear molecule + linear molecule ⇔ non-linear transition state →products

A.
T^-1
B.
T⁰
C.
T¹
D.
T²

Solution:

QUESTION: 50

Decarbonylation reaction of [cis-(CH₃CO)Mn(¹³CO)(CO)₄] yields X,Y and Z, where

The molar ratio ofthe products(X : Y : Z) in this reaction is

A.
1:1:1
B.
1:2:1
C.
1:1:2
D.
2:1:1

Solution:

QUESTION: 51

According to polyhedral electron count rule, the structure of Rh₆(CO)₁₆is

A.
closo
B.
nido
C.
arachno
D.
hypho

Solution:

QUESTION: 52

The increasing order of melting points of the halides NaCl, CuClandNaF is

A.
CuCl<NaCl<NaF
B.
NaF<NaCl<CuCl
C.
NaF<CuCl<NaCl
D.
CuCl<NaF<NaCl

Solution:

QUESTION: 53

The correct electronic configuration and spin only magnetic moment of Gd³⁺ (at.no. 64) are

A.
[Xe]4f⁷ and 7.9 BM
B.
[Xe]4f⁷ and 8.9 BM
C.
[Xe]4f⁶5d¹ and 7.9 BM
D.
[Rn]5f⁷ and 7.9 BM

Solution:

QUESTION: 54

Among the following octahedral complexes, the one that has the highest enthalpy of hydration is

A.
[Ca(H₂O)₆]²⁺
B.
[Mn(H₂O)₆]²⁺
C.
[V(H₂O)₆]²⁺
D.
[Cr(H₂O)₆]²⁺

Solution:

QUESTION: 55

A metal crystallizes in face-centered cubic lattice with a lattice parameter of 4.20 Å. The shortest
atom to atom contact distance in the lattice is

A.
4.20 Å
B.
2.97 Å
C.
2.42 Å
D.
2.10 Å

Solution:

QUESTION: 56

Polarographic method of analysis to obtain individual amounts of Cu²⁺ and Cd²⁺ in a given mixture
of the two ions (Cu²⁺ and Cd²⁺) is achieved by measuring their

A.
half-wave potentials
B.
migration currents
C.
decomposition potentials
D.
diffusion currents

Solution:

QUESTION: 57

The ground state term of [Ni(H₂O)₆]²⁺is

A.
³T_1g
B.
³T_2g
C.
³A_2g
D.
⁴T_1g

Solution:

QUESTION: 58

Common Data for Questions 58 and 59:

N,N-Dimethylformamide (DMF) gives different patterns of signals for the methyl protons whenits¹H NMR spectrum is recorded at different temperatures.

Match the patterns of the NMR signals given in column I with temperatures given in the
column II.

A.
(i)-(x); (ii)-(y); (iii)-(z)
B.
(i)-(x); (ii)-(z); (iii)-(y)
C.
(i)-(z); (ii)-(x); (iii)-(y)
D.
(i)-(z); (ii)-(y); (iii)-(x)

Solution:

*Answer can only contain numeric values

QUESTION: 59

N,N-Dimethylformamide (DMF) gives different patterns of signals for the methyl protons
whenits¹H NMR spectrum is recorded at different temperatures.

Based on the above data, the calculateddifference in the frequencies of the two methylsinglets, if
the spectrum is recorded on a 300 MHzspectrometer, is _________ Hz.

Solution:

QUESTION: 60

Common Data for Questions 60 and 61:

Heating a mixture of ammonium chloride and sodium tetrahydridoborate gives one liquid
product(X), along with other products, under ambient conditions.

Compound X is

A.
NH4[BH4]
B.
[(NH3)2BH2][BH4]
C.
N3B3H6
D.
N3B3H12

Solution:

QUESTION: 61

Heating a mixture of ammonium chloride and sodium tetrahydridoborate gives one liquid
product(X), along with other products, under ambient conditions.

Compound X is an example of