Chemistry- CY 2013 GATE Paper (Practice Test)

"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?

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

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?

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?

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?

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

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

Q. 11 – Q.35 carry one mark each.

Q.

The point group symmetry ofCH₂=C=CH₂ is

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

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.

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.

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

A sparingly soluble electrolyte M2X ionizes as 

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

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

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)

Conversion of boron trifluoride to tetrafluoroborate accompanies

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

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

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

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

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

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

Important : you should answer only the numeric value

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

Important : you should answer only the numeric value

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

Important : you should answer only the numeric value

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

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

The major product formed in the reaction given below is

The major product formed in the reaction given below is

The pericyclic reaction given below is an example of

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

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

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

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].

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

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

The major product formed in the reaction given below is

The major product formed in the reaction given below is

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

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

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

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

For the reaction  

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

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.

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

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)

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

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

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

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

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

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

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

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

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

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.

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.

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

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

Linked Answer Questions 62 and 63:

The major product X formed in the reaction given below is

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

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 (K_SP) of Fe(OH)₃ ,
the appropriate cell representation and its emfare, respectively,

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

Q.

The value of log_e(K_SP) for Fe(OH)₃ at 298 K is