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Chemistry- CY 2013 GATE Paper (Practice Test)


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

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Chemistry- CY 2013 GATE Paper (Practice Test) - Question 1

Q. 1 – Q. 5 carry one mark each.

Q.

if   then which of the following options is TRUE

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 2

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 3

Mahatama Gandhi was known for his humility as

Chemistry- CY 2013 GATE Paper (Practice Test) - 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?

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 5

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 6

Q. 6 to Q. 10 carry two marks each.

Q.

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?

Chemistry- CY 2013 GATE Paper (Practice Test) - 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?

Chemistry- CY 2013 GATE Paper (Practice Test) - 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?

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 9

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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:

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 11

Q. 11 – Q.35 carry one mark each.

Q.

The point group symmetry ofCH2=C=CH2 is

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - 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.


*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - 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.


Chemistry- CY 2013 GATE Paper (Practice Test) - Question 15

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 16

A sparingly soluble electrolyte M2X ionizes as 

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - 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)


Chemistry- CY 2013 GATE Paper (Practice Test) - Question 19

Conversion of boron trifluoride to tetrafluoroborate accompanies

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 20

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 21

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 22

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 23

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 24

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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 25

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

 

Important : you should answer only the numeric value


*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 26

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

 

Important : you should answer only the numeric value


*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 27

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

 

Important : you should answer only the numeric value


Chemistry- CY 2013 GATE Paper (Practice Test) - Question 28

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 30

The major product formed in the reaction given below is

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 31

The major product formed in the reaction given below is

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 32

The pericyclic reaction given below is an example of

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 33

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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 34

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


Chemistry- CY 2013 GATE Paper (Practice Test) - 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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 36

Q. 36 to Q. 65 carry two marks each

Q.

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].


Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 38

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 39

The major product formed in the reaction given below is

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 40

The major product formed in the reaction given below is

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 41

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 42

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 43

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 45

For the reaction  

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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - 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.


*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - 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 _____________ .


Chemistry- CY 2013 GATE Paper (Practice Test) - 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)

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 51

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 52

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 53

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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 54

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 57

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

Chemistry- CY 2013 GATE Paper (Practice Test) - 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.

Q.

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

*Answer can only contain numeric values
Chemistry- CY 2013 GATE Paper (Practice Test) - Question 59

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

Q.

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.


Chemistry- CY 2013 GATE Paper (Practice Test) - 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.

Q.

Compound X is

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 61

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

Q.

Compound X is an example of

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 62

Linked Answer Questions 62 and 63:

The major product X formed in the reaction given below is

 

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 63

Oxidation of the product X, obtained in the above reaction, with active manganese dioxide,
followed by acidic hydrolysis gives

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 64

Statement for Linked Answer Questions 64 and 65:

The standard half-cell reduction potential of Fe3+ (aq) | Fe is – 0.036 V and that of

Q.

For the determination of solubility product (KSP) of Fe(OH)3 ,
the appropriate cell representation and its emfare, respectively,

Chemistry- CY 2013 GATE Paper (Practice Test) - Question 65

The standard half-cell reduction potential of Fe3+ (aq) | Fe is – 0.036 V and that of

 

Q.

The value of loge(KSP) for Fe(OH)3 at 298 K is

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