1. 500 mL of an aqueous solution of AgCl contains 0.10 mg of Ag+ ions. The concentration of CI-ions in the solution is [Ksp (AgCl) 1.0 x 10^-10 MZ atomic weight of Ag 107.9 g/mol]

1.0 x 10^-10 M

5.4 x M

(c)9.2 x10^-4M

(d)1.0 x10^-4M

2. 34.76 mL of KMn04 solution of unknown strength is needed for the titration of 62.50 mL of0.20 M NaZCZ0 4solution. The normality ofKMn04 solution is

0.36

0.56

0.72

0.18

3. An icosahedron can be described as bicapped

hexagonal antiprism

pentagonal prism

pentagonal antiprism

hexagonal prism

4. Which of the following remains unchanged in the geometrical conversion?

<img src='./qimages/16056-4.jpg'>

Number of vertices

Number of edges

Number of faces

All of the above

5. Among the following set of quantum numbers, which one represents an electron with highest energy?

ms

ms

ms

ms

6. For which of the following species is the color not due to a d-d transition? MnO4^2­, MnO4­

MnO4^2­ and MnO4­

CrO4^2-and MnO4­

VO2+ and MnO4­

MnO4^2- and CrO4^2­

7. When 2-butyne is subjected to hydrogenation with Pd-BaSOJquinolone, the product formed is:

n-butane

cis-2-butene

trans-2-butene

I-butene

8. Identify the meso compound from the following;

<img src='./qimages/16056-8.jpg'>

9. The metal complex that is generally used in the tanning of leather is that of

Rhodium

Chromium

Ruthenium

Tungsten

10. Who won the Nobel prize for outstanding contribution to the chemistry of carbocations?

H. C. Brown

G. A. Olah

E. J. Corey

R. B. Woodward

11. Identify the most appropriate rule in an asymmetric Grignard reaction of prochiral ketone:

Huckel rule

Cram's rule

Baldwin's rule

Hoffmann's rule

12. Arrange the following molecules in the increasing order of C-H bond dissociation energy (kJ

<img src='./qimages/16056-12.jpg'>

IV<II<III<I

I<III<IV<II

III<II<IV<I

II<IV<I<III

13. The property of two systems that should be equalized for chemical equilibrium is

entropy

chemical composition

chemical potential

enthalpy

14. A molecule will be chiral only if it lacks:

center of inversion

reflection plane

proper axis of rotation

improper axis of rotation

15. The average momentum of a particle confined in a one-dimensional box of length L is

0

nnh/L





16. A molecule that will show pure rotational spectrum is

ethylene

allene

cis butadiene

trans butadiene

17. The molecule with the largest rotational partition function at a given temperature, among the following is

H-C



CH3-C==C-CH3



18. The mean value of a set of numbers can be given as arithmetic mean geometric mean and harmonic mean Which of the following correctly describes the relation among these three?

AM GM HM

GM AM HM

HM GM AM

HM AM GM

19. A 230m long train running at a speed of 50kmh^-1 crosses another train running in the opposite direction at a speed of 50 km in 18 seconds. What is the length of the other train?

270m

330m

250m

230m

20. The most important peaks in the electron impact mass spectrum of 2-pentanone will be at the m/z values of:

15,29,43,58,71,86

15,29,43,57,71,86

15,29,43,71,86

15,29,57,71,86

21. The resistance of 0.2 M solution of an electrolyte is 50 n and its specific conductance is
1.3 S If the resistance of the 0.4 M solution of the same electrolyte is 260 the difference in molar conductance of the two solutions is

5.875 x S m^2 mol^-1

0.25 x S m^2 mol^-1

6.25 x S m^2 mol^-1

6.5 x S m^2 mol^-1

22. The metal-metal bond orders in and [Re2Cl6(PPh3)2] are respectively

3,4 and 4

4,3 and 2

3,2and2

2,3 and 4

23. Which of the molecules/ions has/have an S4 axis?

PF5 and so4^2­

SF4and SO4^2­

SO4^2­ only

BF3 and SF4

24. Choose the correct Statement/s in connection with iodometric titrations in the presence of excess iodide solution:

The reactive species in these titrations is the triodide anion

Starch solution is added in the beginning of the titration as an indicator.

The titration can be performed in the presence of stannous chloride.

and

and

and

only

25. The ground state term symbol for Ho3+(Atomic number 67) ion is

5I8

5H15/2

4I15/2

2F7/2

26. The hapticities (i.e. value in of the Cp-(cyclopentadienide) rings in the 18­electron compound CP2W(CO)2 are

1,3

5

2,4

4,5

27. The origin of yellow-orange color of (en 2-diaminoethane) is

ligand-field transition

ligand-to-metal charge transfer

metal-to-ligand charge transfer

intraligand transition

28. The number of hydrophilic and hydrophobic channels in Ferritin are respectively

8,8

6,6

8,6

6,8

29. The half-life of 32p is 14.2 days. How long would it take for the disintegration to reduce from 42,000 per minute to 500 per minute?

90.8 days

39.42 days

14.19 days

1.33 days

30. Formulae for ortho-, pyro-, chain-, and double chain silicates are respectively

[si4o11]6-

[sizO7]G, [si4o11]6-

[si4o11]6-

[si4O12]G

31. The intercept of the Tafel plot vs. log is used to estimate

Transfer coefficient

Rate of the reaction

Exchange current density

Kinetic current density

32. The metalloenzymes/ metalloproteins, associated with the metals Fe, Zn, Mo and Cu are

hemocyanin, ferritin, sulfite oxidase and carboxypeptidase respectively.

ferritin, carbonic anhydrase, sulfite oxidase and hemocyanin respectively.

ferritin, aldehyde oxidase, nitrogenase and vitamin B12 respectively.

hemoglobin, sulfite oxidase, carbonic anhydrase and blue protein respectively

33. The total number of lines observed in the ESR spectrum of naphthalenide ion 1/2 for proton) is

5

25

9

15

34. Which of the following pair of complex ions are expected to undergo tetragonal distortion?

and

and [MnF6]4­

and

and

35. 0.5582 g of iron ore is converted into FeZ03. Weight of Fe203 obtained is 0.2481 g. The percentage of iron in the ore is (Atomic weight of Fe 55.85 g/mol)

31.09

7.77

34.97

44.44

36. The styx number of B4HlO is

2002

4120

4012

4220

37. The redox indicator among the following is:

Methyl red

Ferroin

Fluorescein

Phenolphthalein

38. The percentage of iron in oxidation state in Fe0.9O is close to

22.22

84.20

28.59

18.49

39. A 100 mL buffer solution of pH 7 contains 10 mmol of the acid HA (pKa and 10 mmol of the conjugate base A-. To this solution, 1.0 mmol of solid NaOH is added. The pH of the resulting solution is

7.00

12.00

7.09

6.5

40. Among the following, the EPR active species is

Oxy-hemocyanin

Cytochrome

Chlorophyll

Caboxypeptidase

41. Predict the product in the following reaction:

<img src='./qimages/16056-41.jpg'>

42. Second order spectra in IH-NMR occur due to

weakly coupled protons

strongly coupled protons

high field machines

spatially close protons

43. Which of the following is the correct order of increasing molecular ion lifetime?

alcohols ketones unbranched hydrocarbons aromatic compounds

alcohols unbranched hydrocarbons aromatic compounds ketones

ketones alcohols unbranched hydrocarbons aromatic compounds

unbranched hydrocarbons alcohols ketones aromatic compounds

44. The splitting pattern of the hydrogen (marked bold) in the IH NMR spectrum of the following compound is:

<img src='./qimages/16056-44.jpg'>

quint

ddt

tdd

tt

45. Predict the most probable product in the following transformation.

<img src='./qimages/16056-45.jpg'>

46. The major product formed in the following reaction is:

<img src='./qimages/16056-46.jpg'>

47. The product formed in the following reaction is

<img src='./qimages/16056-47.jpg'>

48. Identify the most appropriate product in the following reaction.

<img src='./qimages/16056-48.jpg'>

49. Predict the product in the following reaction.

<img src='./qimages/16056-49.jpg'>

50. Identify the product in the following reaction sequence:

<img src='./qimages/16056-50.jpg'>

51. Identify the product in the following reaction.

<img src='./qimages/16056-51.jpg'>

52. The of the two benzylic protons Hb) in the compounds I and II is:

<img src='./qimages/16056-52.jpg'>

Enantiotopic in both I II

Oiastereotopic in both I II

Oiastereotopic in I enantiotopic in II

Oiastereotopic in II enantiotopic in I

53. Identify the most appropriate reagent for the following transformation:

<img src='./qimages/16056-53.jpg'>

H2, Rh(PPh3)3Cl

H2,Pd-C

Li/liq-NH3

LiAlH4

54. The major product obtained in the following transformation is:

<img src='./qimages/16056-54.jpg'>

55. The suitable reagent system for the following transformation is:

<img src='./qimages/16056-55.jpg'>

i. SOCl2; ii. CH2N2; iii. Rh2(OAc)4

i. CH2N2; ii. SOCl2; iii. Rh2(OAc)4

i. BF3Et2O; ii. CH2N2; iii. Rh2(OAc)4

i. CH2N2; ii. BF3.Et2O; iii. Rh2(OAc)4

56. A hydrocarbon with the formula C6Hl4 gives a mixture containing only two monochlorides in photochemical chlorination. One of these compounds solvolyzes very rapidly in ethanol, whereas the other solvolyzes very slowly. The hydrocarbon is:

<img src='./qimages/16056-56.jpg'>

57. D-Mannose upon reaction with I2 and acetone at room temperature for 24 h provides:

<img src='./qimages/16056-57.jpg'>

58. The product ofthe following reaction is:

<img src='./qimages/16056-58.jpg'>

59. The products formed in the following reaction are:

<img src='./qimages/16056-59.jpg'>

60. The major product formed in the following reaction is:

<img src='./qimages/16056-60.jpg'>

61. 1.0 mol of a diatomic perfect gas at 200 K is compressed reversibly and adiabatically until its temperature reaches 300 K. Its molar heat capacity Cv,m 27.5 J The work done internal energy change and enthalpy change in kJ, respectively are

-2.75, 2.75, -3.58

2.75, 2.75, 3.58

2.75, -2.75, 0.00

27.5,0.00, 35.8

62. The equilibrium constant for the gas phase isomerization A B at 500 K is 0.4. A mixture of 10.0 g of A and 20.0 g of B is heated to 500 K in a closed vessel. The mass of A at equilibrium is

21.4 g

20.0 g

18.0 g

12.3 g

63. For a second order reaction, A products, if the initial concentration of A is and the amount reacted at time t is a linear plot against t is obtained for









64. The X-ray diffraction peak for the 1 plane of a cubic lattice is observed at 28 22.00 • The peak for the 2 plane will appear at a 28 value of

38.60

24.20

19.30

12.10

65. The standard reduction potentials for and are respectively, +0.34 V and +0.52 V. The standard Gibbs free energy change for the reaction, is

15.44 kJ mol^-1

-15.44 kJ mol^-1

34.74 kJ mol^-1

-34.74 kJ mol^-1

66. The pair of observables that can be measured simultaneously with unlimited precision is

px, py

Jx Jy

pz, z



67. The particle with the lowest tunnelling probability through the potential barrier shown below when all of them have 1.2 eV of kinetic energy is

<img src='./qimages/16056-67.jpg'>

electron

proton

neutron

a-particle

68. The mean activity eoefficient of KCI at 0.01 M concentration is 0.90. The mean activity coefficient at 0.04 M concentration is close to

38.6

1.8

0.81

0.64

69. The molecule having C2 symmetry element among the following is

NH3

CH4

Ch3Cl

CH3NH2

70. The IR active mode of acetylene among the following is (the arrows indicate the direction of atomic displacements)



C-H

H-C



71. Microwave spectrum of H35Cl shows a series of equally spaced lines separated by 6.26 x 10^11Hz.If the reduced mass of H35Cl is 1.63x 10^-27 kg, the bond length of H35Cl would be

0.91 A

1.28 A

2.27 A

1.61 A

72. The de Broglie wave length of an electron that has been accelerated through a potential difference of 100 V will be

0.23 nm

2.1 nm

1.3 nm

0.123 nm

73. The average energy at temperature T of a system having an ensemble of N identical particles (indistinguishable), where each particle can have only two energy levels 0 and hv is

)Nhv

1/2 Nhv

Nhv/ e^BhV

e^BhV

74. The Maxwell's relation results from

dU=dQ-dW

dH dU PdV VdP

dA=dU-TdS-SdT

dG=dH-TdS-SdT

75. Integral(sin5x)dx

cos^5 x 2/3 cos^3x -cosx c

cos^5x 3 cos^3x -cosx c

cos^5x 2 cos^3x -cosx c

1/5 cos^5x cos^3x cosx c

76. • The net charge of a protein below the isoelectric point, above the isoelectric point and at the isoelectric point are, respectively,









77. The number of vibrational normal modes of
CH3 -CHz-CH3 is:

29

28

27

26

78. The vibrational of a first order saddle point is identified with

a small negative number

a small positive number

a large positive number

an imaginary number

79. The ionization energy for hydrogen atom is 13.6 eV. The ionization energy for the ground state of Li2+ is approximately

27.2 eV

40.8 eV

54.4 eV

122.4 eV

80. Which of the following is not a Hermitian operator?

x

i d/dx



in