1. Mg2Si04 belongs to the class of

pyrosilicates.

chain silicates.

sheet silicates.

orthosilicates.

2. The electronegativity of carbon is highest in

sp hybridized carbon.

sp^2 hybridized carbon.

Sp^3 hybridized carbon.

the ground state of carbon.

3. The maximum number of cyclic structures possible for the molecular formula C3H6O is:

1

2

3

4

4. The correct order of basicity of the group 15 (group 5A) trihydrides is:

NH3 PH3 AsH3

NH3 PH3 AsH3

NH3 PH3 AsH3

NH3 PH3 AsH3

5. The first noble gas compound reported is:

XeO3

KrF2

XeF6

Xe+(PtF)6"

6. for an ideal gas is:

positive

negative

zero

infinite

7. The decreasing order of acidity of the following compounds is:
<img src='./qimages/16053-7.jpg'>
I II III> IV

II I IV> III

IV> III II

IV> III> II> I

8. A 20.0 mL sample of 0.30 M HCl is titrated with 0.15 M NaOH. What is the pH of the solution after 40.3 mL of NaOH is added to the acid?

2.95

3.13

11.05

10.87

9. The most appropriate reagent for the conversion of hexanoic acid to hcxan-l-01 is:

NaBH4

LiBH4

CaH2

BH3.THF

10. The shape of NO3 is

trigonal planar.

tetrahedral.

T-shaped.

trigonal pyramidal.

11. The most appropriate reagent to carry out the following transformation is:

RCH20H RCHO

KMn04

Cr03

OSO4

Pyridinium chlorochromate

12. The species having the shortest bond length among the following is:

NO

NO+



NO­

13. The degree of dissociation of an aqueous solution of a weak acid(pKa=4.74) at pH==4.74 is:

0.34

0.25

0.50

0.90

14. Which of the following elements are present in DNA?

Carbon

Nitrogen

Oxygen

Phosphorus

ii, and iii

ii, and iv

ii, iii, and iv

ii, iii, and iv

15. Unit of van der Waals gas constant a is:

atm L

atm L^2 mol^-2

L mol^-1

L^2mol^-2

16. The IUPAC name of the following compound is:
CH3
HO-CHz-C=C-CH-CH=CH2

4-Methylhex-5-en-2-yn-l-ol

3-Methylhex-4-yn-6-ol

1-HydroxY-4-methylhex-5-en-2-yne

6-Hydroxy-3-methylhex-4-yn-l-ene

17. The osmotic pressure of a 3.42% solution of sucrose (Molecular weight 342) and a solution of 1.73 g of a molecule, in 100 mL of water are same at the same temperature. The molecular weight of A is:

123

273

676

173

18. The quantum numbers and m of the highest occupied atomic orbital of Be are:









19. 100 g of C6H6 is mixed with 100 g of C6HsCH3 at 20°C and 1 atm. Assuming ideal behavior, the entropy of mixing (in cal is:

3.24

5.24

7.24

4.24

20. The gas which effuses 2.3 times faster than N2O4 at the same temperature is:

NH3

CN2

O3

N2O

21. The most electrophilic molecule among the following is:

H2O

H2C=CH2

BF3

NH3

22. The absolute configurations of the following compounds are:
<img src='./qimages/16053-22.jpg'>

in P and in Q

in both P and Q

in P and in Q

in both P and Q

23. If the ratio of the area of a square to that of a circle is equal to the ratio of perimeter of the square to the circumference of the circle is equal to:

1

2

3

4

24. If the carbon-carbon bond length in benzene (C6H6) is 1.40 the distance between the carbons at 1 and 3 position is:

2.000 A

2.135 A

2.425 A

2.800 A

25. Tommy has to cross two rivers to meet Janny. The first river has 10 bridges and the second one has 20 bridges. How many possible paths can Tommy follow to meet Janny?

200

2

201

199

26. Choose the planar species from the following: XeF4, PdCl4^2-, MnO4^-

and

and

only

and

27. The major product formed in the following reaction is
<img src='./qimages/16053-27.jpg'>

28. One mole of a compound with molecular formula C9HI6 upon ozonolysis gives one mole each of acetone, formaldehyde and levulinaldehyde ketoaldehyde). The compound is:

2,6-dimethylhepta-2,5-diene

2,6-dimethylhepta-l,6-diene

2,6-dimethylhepta-1,5-diene

(E)-2,6-dimethylhepta-2,4-diene

29. Choose the species with the maximum number of unpaired electrons from the following:

and

only

and

and

only

30. The adsorption isotherm of N2 on Nickel is shown in the figure below;

<img src='./qimages/16053-30.jpg'>

Henry's Isotherm

Langmuir Isotherm

BET Isotherm

Gibbs Isotherm

31. Ferrocene is an organometallic compound consisting of

one Fe3+ and two n^5 cyclopentadienyl anions.

one Fe2+ and two n^5 cyclopentadienyl anions.

one Fe3+ and two n^1 cyclopcntadienyl anions.

one Fe2+ and two n^1 cyclopentadienyl anions.

32. The number of moles of orthophosphoric acid generated by the complete reaction of solid phosphorus pentoxide with one mole of water is:

3/2

1/3

1/6

2/3

33. The equilibrium constant of a gas phase reaction is 2.0 at 400 K and 3.0 at 500 K. The standard enthalpy of this reaction is close to

+0.805 kcal mol-1

+1.61 kcal mol-1

-0.805 kcal mol-1

-1.61 kcal mol-1

34. If Do and Dt represent the octahedral and tetrahedral crystal field splittings respectively, the ratio Do/Dt is close to

1.00

0.50

2.2

0.44

35. The VSEPR geometry will be identical with the molecular geometry for:

AlCl3

SF4

ICl3

XeF4

36. Which of the following metal ions can give both high and low spin octahedral complexes?

Cr3+

Fe2

Cu2

Ti3+

37. Which of the following compounds possesses inversion symmetry?

SiF4

PF5



BCl3

38. The spin-only magnetic moment (in B.M.) of a high-spin complex of Fe3+ is:

1.73

5.92

2.83

4.90

39. Integral )dx

e^X





xe^x

40. If j and k are unit vectors along the Cartesian axes y and z directions respectively, length of the projection of the vector 3i -4j 2k on the xy plane is:

1

3

5

7

41. The amount of BaCl2·2H20 (Molecular weight 244.3 g required to prepare 500 mL of0.0740 M chloride ion solution in water is:

4.52 g

9.04 g

7.71 g

8.35 g

42. The total number of valence electrons in each metal atom in the dichloro bridged complex (CO2Rh(M-Cl2)Rh(CO)2 IS:

14

16

17

18

43. A constant current of 0.800 A is used to deposit copper at the cathode. The number of grams of copper deposited in 15.2 min, considering the half-reaction; 2e- is (Atomic weight of Cu 63.5 g

0.772 g

0.240 g

0.480 g

12.16 g

44. Which of the following is a correct description of the gas phase structure of XeF6

Perfect octahedral

Distorted octahedral

Trigonal prismatic

Polymeric with Xe octahedral

45. How many geometric isomers are possible for the complex where dien NH2CH2CH2NHCH2CH2NH2, a tridentate ligand and Band Care monodentate ligands?

6

4

5

2

46. When dilute HCl is added to a white salt, effervescence is observed along with a colorless and odourless gas. Then a white precipitatae is also formed which dissolves on heating. The salt is:

Na2S04

ZnC03

PbC03

HgN03

47. The borane can be classified as:

Arachno borane

Closo borane

Hypho borane

Nido borane

48. Addition of concentrated H2SO4 to a solution of KMnO4 leads to the formation of an explosive oil with formula:

Mn2O7

Mn304

MnO2

K2Mn04

49. The activation energy of a certain reaction is 87 kJ mol^-1. The ratio of the rate constants of this reaction at 37°C to the reaction at 15 °C is:

5/1

8.3/1

13/1

24/1

50. Both are diamagnetic. The hybridization of valence orbitals of and in these complexes will be

Sp^3 for both.

Sp^3 and dsp^2, respectively.

dsp^2 for both.

dsp^2 and respectively.

51. Which of the following processes results in the formation of neutrino?

a-ray emission

B-ray emission

y-rayemission

X-ray emission

52. The standard potential of the cell, -0.76 V and EFe^3+ +0.77 is:

+0.77 V

-1.53 V

+2.30 V

+1.53 V

53. Argon gas (assumed to be ideal) is expanded reversibly and adiabatically from a volume of 50 L to 200 L. If the initial temperature is 300 K then the final temperature would be:

75 K

37.5 K

119 K

200 K

54. If the average speed of hydrogen molecule at a given temperature is then the average speed of oxygen molecule at the same temperature will be

2c

4c



c/4

55. The molar conductance of a saturated AgCl solution is 130 S cm^2 mol^-1 and the solubility product of AgCl is 1.6 x 10-10 mol^2L^-2. Resistance of this solution placed in a conductivity cell with cell constant 0.75 is:

4.6 x 1010 n

4.6 x 105 n

9.2 x 105 n

9.2 x 1010 n

56. tan

sin8/(1 cos8)

cos8)/sin8

cos8/(1 sin8)

sin8)/cos8

57. A reaction follows the general rate law, rate If the concentration of B is decreased by a factor of and the concentration of C is decreased by a factor of the rate ofthe reaction will decrease by a factor of



12

18

1/6

58. The mobilities of and are 6.6 x and 5.7 x 10-4 respectively at 25°C. The ratio of their transport number is:

1.16

2.15

3.15

4.15


59. When an X-ray beam collides with an electron, a part of the photon energy is transferred to the electron and the light is scattered. This effect is known as:

Raman effect

Zeeman effect

Compton effect

Stark effect

60. The total number of rotational and vibrational degrees of freedom for H2C CH-CH3are respectively:

0 and 21

1 and 21

3 and 21

2 and 22

61. The equation connecting molar heat capacity at constant pressure to molar heat capacity at constant volume for an ideal gas is:

Cp Cv/R

Cp R/Cv

Cp R x Cv

Cp R Cv

62. The atomic weight of antimony is 121.757 amu. It has only two naturally occurring isotopes. Abundance of the isotope with mass 120.904 amu is 57.3%. The mass of the other isotope is:

122.610

122.902

122.393

122.757

63. The X-ray diffraction peak of a cubic crystal occurs at 8 19.50°. The diffraction peak will be observed at:

9.75°

19.50°

33.77°

35.32°

64. The maximum number of hydrogen bonds a water molecule can have is:

1

2

3

4

65. For a certain phase transition, there is no change in the volume, but the specific heat has a discontinuity. From this it may be concluded that the phase transition is a

First-order transition

Second-order transition

A-transition

Quantum phase transition

66. On which organelle does the protein synthesis takes place?

ribosome

mitochondria

Golgi body

lysosome

67. limtD2/Dx2(Sqrt(4-x2))

0.50

0.25

0.00

2.00

68. Integral(sin(Tx/l) dx

0.00

l

1.00

00

69. Nickel (Atomic weight 58.71 g crystallizes in FCC lattice with a unit cell length of 3.52 A. The density (in g of nickel is:

3.24

5.64

8.94

18.2

70. The increasing order of heat of combustion of the following compounds is:
<img src='./qimages/16053-70.jpg'>

I II III

II III I

II I III

III II I

71. The complex number i2 in polar form is given by:

4e^iT/3

4e^i2T/3

4e^i4T/3

4e^i5t/3

72. at x=0 is:

0

1

2

3

73. Given the series 21,X,..., the value of X is:

34

29

27

25

74. If a and B are the remaining two angles of a right angle triangle, sin(2B) is equal to:

cos(2a)

sin(2a)

tan^2 a

sec^2a

75. The two curves X^2 y^2 4 and X^2 2 intersect each other at

no point.

one point.

two points.

four points.

76. Sum of the infinite series,

sin(x)

cos

cosh(x)

sinh(x)

77. lim

e



1/e



78. The following conversion is best achieved with:
<img src='./qimages/16053-78.jpg'>

n-Bu2CuLi(2 equivalents)

n-Bu2CuLi(l equivalent)

n-BuLi(2 equivalents)

n-BuLi(1 equivalent)

79. If the vectors Xi 2i k and 3i-2j k are coplanar j and k are the unit vectors), then



9



9/2

80. The compound that does NOT give a tertiary alcohol upon reaction with an excess of ethyl magnesium bromide is:

3,3-dimethylhexan-2-one

hexan-2-one

ethyl benzoate

ethyl formate

81. The value of

1 0 0
A 2 cosx sinx is:
3 sinx cosx

1

0

cos2x

sin2x

82. A ball which is thrown vertically upwards, satisfies the height vs time equation, h +14t -5t2 . The maximum height it would reach is:

12.8m in 1.4s

11.8m in 1.4s

12.8m in 1.5s

11.8m in 1.5s

83. The key reagent in Woodward cis dihydroxylation is:

OsO4

KMnO4

CH3COOAg/I2/H2O

C6H5COOAg/I2/benzene

84. Identify the compound(s) that can easily undergo decarboxylation from the following:
<img src='./qimages/16053-84.jpg'>

II

I and II

II and III

III

85. The aromatic compounds among the following are:
<img src='./qimages/16053-85.jpg'>

K,L and M

M and O

K,M and N

N and O

86. The decreasing order of basicity of the following compounds is:
<img src='./qimages/16053-86.jpg'>

I IV III II

I III IV II

II IV III I

I II III IV

87. The major product formed in the following reaction is:
<img src='./qimages/16053-87.jpg'>

88. If 1 0

0
then A


2 0
0 0

1 0
0 1

0
0

0 1
1 0

89. On which of the following compounds, is the blood group typing in humans based?

carbohydrates

DNA

proteins

lipids

90. Identify the topicity of the hydrogens marked Ha and Hb in the following compounds
<img src='./qimages/16053-90.jpg'>

I-diastereotopic
II enantiotopic

I-homotopic
II enantiotopic

1-enantiotopic
II -homotopic

I-homotopic
II -homotopic

91. The Hell-Volhard-Zelinsky reaction is:

conversion of a a-haloester in to a a-hydroxyester

a-halogenation of a carboxylic acid

decarboxylation of a B-keto acid

generation of a carbon-carbon double bond

92. The compound that does NOT form iodoform is:

acetaldehyde

3-pentanone

2-butanone

isopropyl alcohol

93. The decreasing order of dipole moment of the following compounds is: CF2Cl2 CF2H2 CCl2H2
I II III

II> III

II> III

II> III

III II

94. The electron rich olefin among the following is:

<img src='./qimages/16053-94.jpg'>

95. Which of the following hormones contains iodine?

thyroxine

adrenalin

testosterone

insulin

96. The product formed in the following reaction is:
<img src='./qimages/16053-96.jpg'>

97. The graph of y is
<img src='./qimages/16053-97.jpg'>

98. The major product formed in the following reaction is:
<img src='./qimages/16053-98.jpg'>

99. Identify the reaction involving olefination of ketones from the following:

Friedel-Crafts reaction

Wittig reaction

Cannizzaro reaction

Schmidt reaction

100. The organelle in the cell, other than the nucleus, that contains DNA is:

Golgi apparatus

lysosomes

mitochondria

peroxlsomes