2. SECTION – I
Single Correct Answer Type
There are five parts in this question. Four choices are given for each part and one of them is
correct. Indicate you choice of the correct answer for each part in your answer-book by
writing the letter (a), (b), (c) or (d) whichever is appropriate
3. 01 Problem
When phenol and benzene diazonium chloride are coupled, the main product is :
a. Aniline
b. p-hydroxy azobenzene
c. azobenzene
d. chlorobenzene
4. 02 Problem
pH of solution is defined by expression :
a. log [H+]
1
b. log
H
1
c.
log[H ]
1
d.
log[H ]
5. 03 Problem
Heating salicylic acid with acetic anhydride in presence of small quantity of conc.
H2SO4, results in the formation of a :
a. Drug
b. Dye
c. Explosive
d. Resin
6. 04 Problem
Haematite is the ore of :
a. Pb
b. Cu
c. Fe
d. Au
7. 05 Problem
Phenol can be converted into salicylic acid by :
a. Etard reaction
b. Kolbe’s reaction
c. Reimer-Tiemann reaction
d. Cannizaro’s reaction
8. 06 Problem
Ethylamine can prepared by the action of bromine, caustic potash and :
a. Acetamide
b. Propionamdie
c. Formamide
d. Methyl cyanide
9. 07 Problem
The IUPAC name of the compound :
a. 1, 2, 3-trinitropropane
b. 1, 2, 3-tricyanopropane
c. 3-cyanopentane-1, 5-dinitrile
d. 1, 2, 3-pentanetrinitrile
10. 08 Problem
Methyl isocyanide on reduction gives :
a. Dimethylamine
b. Ethylamine
c. Methylamine
d. Trimethylamine
11. 09 Problem
Number of neutrons in a parent nucleus X, which given 7N14 after two successive
emission would be :
a. 7
b. 6
c. 9
d. 8
12. 10 Problem
IUPAC name of the following compound is :
a. 5-chloro heptene
b. 4-chloro pent-1-ene
c. 5-chloro pent-3-ene
d. 5-chloro hex-2-ene
13. 11 Problem
In Which of the following anti-Markownikoff’s addition is possible ?
a.
b.
c.
d. All of the above
14. 12 Problem
A zero order reaction is one whose rate is independent of ;
a. The concentration of the reactants
b. The temperature of the reaction
c. The concentration of the product
d. The material of the vessel in which the reaction is carried out
15. 13 Problem
In Haber’s process for the manufacture of NH3 :
a. Finely divided nickel is used as a catalyst
b. Finely divided iron is used as catalyst
c. Finely divided molybdenum is used as a catalyst
d. No catalyst is necessary
16. 14 Problem
An indicator for iodine titration is :
a. Cellulose
b. Phenolphthalein
c. Starch
d. Galactose
17. 15 Problem
If international atomic mass of magnesium is 24.3 The mass of one atom of
magnesium weighs :
a. 40.34 x 10-24 g
b. 4.03 x 10-24 g
c. 16.6 x 10-2 g
d. 1.66 x 10-23 g
18. 16 Problem
Number of atoms in 4.25g of NH3 is approximately :
a. 1.5 x 1023
b. 6 x 1023
c. 1 x 1023
d. 2 x 1023
19. 17 Problem
Which of the following transition involves maximum amount of energy ?
a. M2 g M3 g
b. M g M2 g
c. M g M g
d. M g M g
20. 18 Problem
The ratio between most probable velocity, mean velocity and rms velocity is :
a. 2 : 8 / : 3
b. 2: 3: 8/
c. 1 : 2 : 3
1: 2: 3
21. 19 Problem
Size of colloidal particles is in the range :
a. 0.05 mµ - 0.1 m µ
b. 25 µ- 30 µ
c. 0.1 µ- 1 m µ
d. 10 µ - 20 µ
22. 20 Problem
Which one of the following is smallest in size ?
a. N3-
b. O2-
c. Na+
d. F-
23. 21 Problem
Na+, Mg2+, Al3+ and Si4+ ions are isoelectronic. The value of ionic radii of these ions
would be in the order :
a. Na+ > Mg2+ > Al3+ > Si4+
2
b. Na+ < Mg2+ < Al3+ < Si4+
c. Na+ > Mg2+ > Al3+ < Si4+
d. Na+ < Mg2+ > Al3+ > Si4+
24. 22 Problem
Brass contains :
a. Cu + Zn
b. Cu + Sn
c. Cu + Ni
d. Cu + Zn
25. 23 Problem
Benzyl alcohol is obtained from benzaldehyde by :
a. Perkin’s reaction
b. Wurtz reaction
c. Cannizaro’s reaction
d. Claisen’s reaction
26. 24 Problem
Among the following which compound will show highest lattice energy ?
a. KF
b. NaF
c. CsF
d. RbF
27. 25 Problem
How many optically active stereoisomers are possible for lactic acid ?
a. 1
b. 2
c. 4
d. 3
28. 26 Problem
Which of the following is the most soluble ?
a. Mg(OH)2
b. Ba(OH)2
c. Sr(OH)2
d. Be(OH)2
29. 27 Problem
Optical isomerism is shown by :
a. Butanol-1
b. Butanol-2
c. 3-pentanol
d. 4-heptanol
30. 28 Problem
The conjugate base of HBr is :
a. H+
b. H2Br+
c. Br-
d. Br+
31. 29 Problem
Which of the following atoms will contain the least number of neutrons ?
a. U238
b. U239
c. U240
d. U235
32. 30 Problem
Water is :
a. More polar than H2S
b. More or less identical in polarity with H2S
c. Less polar than H2S
d. None of the above
33. 31 Problem
Geometrical isomers can exist for :
a. CH3CH(CH3)CH2CH2CH3
b. CH3CH = CHCH3
c. CH3CH = CH2
d. ClH2C – CH2Cl
34. 32 Problem
The IUPAC name for the following
a. 1, 1 dimethyl-1, 3-butanediol
b. 2-methyl-2, 4-pentanediol
c. 1, 3, 3-trimethyl-1,3-propanediol
d. 4-methyl-2, 4-pentanediol
35. 33 Problem
A compound X of formula C3H8O yields a ketone C3H6O on oxidation. To which of
the following classes of compound would X belong ?
a. Aldehyde
b. Tertiary alcohol
c. Secondary alcohol
d. Alkene
36. 34 Problem
Which one of the following is a natural rubber ?
a. Polyisoprene
b. Buna-S
c. Polychloroprene
d. Polybutadiene
37. 35 Problem
Butyne-2 contains :
a. sp hybridized carbon atoms only
b. sp3 hybridised carbon atoms only
c. both sp and sp2 hybridised carbon atoms
d. both sp and sp3 hybridised carbon atoms
38. 36 Problem
Given the reaction at 9750 C and 1 atm, CaCO3 CaO(s) + CO2 (g) ;
H = 176 kJ. Then E is equal to :
a. 186.4 kJ
b. 162 kJ
c. 165.3 kJ
d. 180 kJ
39. 37 Problem
In oxygen difluoride, the oxidation number of oxygen is :
a. - 2
b. - 1
c. + 2
d. + 1, - 2
40. 38 Problem
The oxidation number of hydrogen in calcium hydride is :
a. - 1
b. + 1
c. - 2
d. + 2
41. 39 Problem
Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar
is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of
the resulting solution is :
a. 0.82 atm
b. 2.46 atm
c. 1.46 atm
d. 4.10 atm
42. 40 Problem
10 g of NaCl is dissolved in 106 g of the solution. Its concentration is :
a. 100 ppm
b. 0.1 ppm
c. 1 ppm
d. 10 ppm
43. 41 Problem
How many structural isomers are possible for the compound with molecular
formula C2H3Cl3 ?
a. 3
b. 2
c. 5
d. 4
44. 42 Problem
Formation of diethyl ether from ethanol is based on a :
a. Dehydrogenation reaction
b. Dehydration reaction
c. Reduction reaction
d. Oxidation reaction
45. 43 Problem
Bohr radius of nth orbit of an atom is given by the expression :
n2h2
a. r
4 2me2
nh
b. r 4 2mZe2
n2h2
c. r
4 2mZ
n2h2
d. r
4 2me2 Z
46. 44 Problem
Given the value of H = 177.9 kJ and S = 160.4 kJ mol-1. For the reaction
CaCO3 (s) CaO(s) + CO2 (g) at 298 K, the free energy change per mole would be :
a. + 130.1 kJ
b. - 130.1 kJ
c. - 4.90 kJ
d. + 4.90 kJ
47. 45 Problem
The solubility product of PbCl2 is 1.7 x 10-5. The solubility in mol/L would be :
a. 1.62 x 10-4
b. 1.62 x 10-8
c. 1.62 x 10-2
d. 1.62 x 10-6
48. 46 Problem
What is the emf for the given cell ? Cr | Cr3+ (1.0 M)| | Co2+ (1.0 M) Co (Eo for Cr3+
| Cr = - 0.74 V and Eo for Co2+ | Co = -0.28 V)
a. - 0.46 V
b. - 1.02 V
c. + 0.46 V
d. 1. 66 V
49. 47 Problem
Transition elements :
a. Have low melting point
b. Exhibit variable oxidation states
c. Do not form coloured ions
d. Show inert pair effect
50. 48 Problem
For a given alcohol the order of reactivity of halogen acids is :
a. HI > HBr > HCl
b. HCl > HBr < HI
c. HI < HBr < HCl
d. HCl < HI < HBr
51. 49 Problem
On distillation with Zn dust, phenol gives :
a. Acetophenone
b. Benzoic acid
c. Benzene
d. Benzophenone
52. 50 Problem
Which one of the following alcohols is least soluble in water ?
a. CH3OH
b. C3H7OH
c. C4H9OH
d. C10H21OH
53. 51 Problem
Which one of the following represents correct set of the four quantum numbers
for an electron in a 4d subshell ?
a. 4, 2, 1, 0
b. 4, 2, 1, -1/2
c. 4, 3, 2, +1/2
d. 4, 3, -2, -1/2
54. 52 Problem
Which one of the following contains a co-ordinate bond ?
a. H2O
b. HCl
c. BaCl2
d. H2H 5
55. 53 Problem
Internal energy and pressure of a gas of unit volume are related as :
a. P = 2E
3E
b. P = 2
E
c. P = 2
2E
d. P =
3
56. 54 Problem
An organic compound ‘X’ (molecular formula C6H7O2N) has six atoms in a ring
system, two double bonds and also a nitro group as substituent. ‘X’ is :
a. Heterocyclic
b. Homocyclic and aromatic
c. Aromatic but not homocyclic
d. Homocyclic but not aromatic
57. 55 Problem
Which one of the following solution has the highest boiling point ?
a. 0.1 M BaCl2
b. 0.1 M glucose
c. 0.1 M urea
d. 0.1 M NaCl
58. 56 Problem
The pH of 0.005 molar solution of H2SO4 acid is approximately :
a. 0.010
b. 1
c. 2
d. 0.005
59. 57 Problem
Which of the following ions is most stable ?
a.
b. CH3CH2 H2
c. CH3 HCH2CH3
d. None of these
60. 58 Problem
Given that heat of neutralization of strong acid and strong base as – 57.1 kJ. The
heat produced when 0.25 mole of HCl is neutralized with 0.25 mole NaOH in
aqueous solution is :
a. 14.275 kJ
b. 57.1 kJ
c. 22.5 kJ
d. 28.6 kJ
61. 59 Problem
alkaline KMnO4 converts ethylene into :
a. methanol
b. ethanol
c. ethane
d. ethylene glycol
62. 60 Problem
Which one of the following is not an isotope of hydrogen ?
a. Deuterium
b. Tritium
c. Ortho hydrogen
d. None of these
63. 61 Problem
Blue Litmus red in a solution of pH :
a. Below 7
b. 7
c. above 7
d. at all pH
64. 62 Problem
Maximum ionization potential is of :
a. Ca
b. Na
c. Be
d. Mg
65. 63 Problem
Strongest acid among the following is :
a. CCl3COOH
b. CH3COOH
c. CF3COOH
d. CBr3COOH
66. 64 Problem
Which molecule is planar ?
a. SF4
b. XeF4
c. NF3
d. SiF4
67. 65 Problem
A certain radioactive isotope has a half-life of 50 days. Fraction of the material
left behind after 100 days will be :
a. 125%
b. 25%
c. 50%
d. 75%
68. 66 Problem
The rms speed at NTP of a gas can be calculated from the expression :
a. 3P / d
b. 3PV / M
c. 3RT / M
d. all of these
69. 67 Problem
Number of moles of NaOH present in 2 L of 0.5 M NaOH is :
a. 1.5
b. 2.0
c. 1.0
d. 2.5
70. 68 Problem
The molar solution of H2SO4 is equal to :
a. N/2 solution
b. N solution
c. 2N solution
d. 3 N solution
71. 69 Problem
Point out the false statement :
a. The colloidal solution of a liquid in liquid is called gel
b. Hardy-Schulze rule is related with coagulation
c. Brownian movement and Tyndall effect are shown by colloidal system
d. Gold number is measure of the protective power of lyophilic colloid
72. 70 Problem
The equilibrium constant for a reaction A + 2B 2C is 40. The equilibrium constant
for reaction C B + A is :
a. 40
b. [1/40]2
c. 1/40
d. 1/[40]1/2
73. 71 Problem
In the reaction 2A + B A2B, if the concentration of A is doubled and that of B is
halved, then the rate of the reaction will :
a. Increase 2 times
b. Increase 4 times
c. Decrease 2 times
d. Remains the same
74. 72 Problem
Correct order among the following is :
a. 1 erg > 1 J > 1 cal
b. 1 cal > 1 J > 1 erg
c. 1 erg > 1 cal > 1 J
d. 1 J > 1 cal > 1 erg
75. 73 Problem
A buffer solution is prepared by mixing 10 mL of 1.0 M CH3COOH and 20 mL of
0.5 MCH3COONa and then diluted to 100 mL with distilled water. If pKa of
CH3COOH is 4.76, what is the pH of the buffer solution ?
a. 5.8
b. 4.34
c. 5.21
d. 4.27
76. 74 Problem
The volatile metal is :
a. Fe
b. Zn
c. Cu
d. Ag
77. 75 Problem
Gypsum on heating at 120-1300C gives :
a. Anhydrous salt
b. Hemihydrate
c. Monohydrate
d. Dihydrate
78. 76 Problem
Which of the following metals shows allotropy ?
a. Ca
b. Pb
c. Sn
d. K
79. 77 Problem
O2, N2 are present in the ratio of 1 : 4 by weight. The ratio of number of
molecules is :
a. 7 : 32
b. 1 : 4
c. 2 : 1
d. 4 : 1
80. 78 Problem
Chlorine upon reaction with NaOH in cold yields :
a. NaCl, NaClO, H2O
b. NaCl, NaClO3, H2O
c. NaClO, NaClO3, H2O
d. NaCl, H2O
81. 79 Problem
Ferming’s salt is :
a. NaCl
b. HF
c. KHF2
d. KClO3
82. 80 Problem
Which of the following is least polarisable ?
a. Ne
b. He
c. Xe
d. Kr
83. 81 Problem
Which of the following configuration is correct for ion ?
a. 1s2 2s2 2p6 3s2 3p6 3d4
b. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
c. 1s2 2s2 2p6 3s2 3p6 3d2
d. 1s2 2s2 2p6 3s2 3p6 4s2 3d2
84. 82 Problem
Prussian blue is :
a. K2Fe[Fe(CN)6]
b. K4[Fe(CN)6]
c. Fe4[Fe(CN)6]3
d. K3[Fe(CN)6]
85. 83 Problem
Among [Ni(CO)4], [Ni(CN)4]2- and [NiCl4]2- :
a. [Ni(CO)4] and [Ni(CN)4]2- are diamagnetic and [NiCl4]2- is paramagnetic
b. [Ni(CO)4] and [Ni(Cl)4]2- are diamagnetic and [Ni(CN)4]2- is paramagnetic
c. [NiCl4]2- and [Ni(CN)4]2- are diamagnetic and [Ni(CO)4]2- is paramagnetic
d. [Ni(CO)4] and [NiCNl4]2- are diamagnetic and [Ni(CN)4]2- is paramagnetic
86. 84 Problem
A mixture of camphor and benzoic acid can be separated by :
a. Fractional crystallization
b. Sublimation
c. Chemical method
d. Extraction with solvent
87. 85 Problem
IUPAC name of the compound
a. 2-methoxy propanal
b. methoxy propanal
c. 3-methoxy propanal
d. 2-formyl methoxy ethane
88. 86 Problem
The IUPAC name of the compound CH3OCH2CH2CH2OCH2CH3 is :
a. 3-ethoxy-1-methoxy propane
b. 1-ethoxy-3-methoxy propane
c. 2, 5-dioxy hexane
d. ethoxy propane oxymethane
89. 87 Problem
Geometrical isomerism can be shown by :
a. > C = N -
b. - N = N -
c. > C = C <
d. all of these
90. 88 Problem
The number of optical enatiomorphs of tartaric acid is/are :
a. 1
b. 4
c. 3
d. 2
91. 89 Problem
The structure :
a. Tautomerism
b. Geometrical isomerism
c. Optical isomerism
d. Geometrical and optical isomerism
92. 90 Problem
The compound most likely to decolourise a solution of alkaline KMnO4 is :
a. CH3CH = CHCH2CH2CH3
b. C10H22
c. CH3 - CH3
d. (CH3)4C
93. 91 Problem
Which of the following reactions will yield 2, 2-dibromopropane ?
a. CH3CH = CH2 + HBr
b. CH3C CH + 2HBr
c. CH3CH = CHCH3 + HBr
d. HC CH + 2HBr
94. 92 Problem
In Friedel-Craft’s reactions, besides AlCl3, the other reactants are :
a. C6H6 + NH3
b. C6H6 + CH4
c. C6H6 + CH3Cl
d. None of these
95. 93 Problem
Aromatisation of n-hexane gives :
a. Cyclohexane
b. Benzene
c. Cycloheptane
d. Toluene
96. 94 Problem
AgNO3 does not give precipitate with chloroform because :
a. CHCl3 does not ionize in water
b. CHCl3 is insoluble in water
c. AgNO3 is insoluble in CHCl3
d. CHCl3 is an organic compound
97. 95 Problem
Which of the following reacts with NaOH to given an alcohol ?
a. Propene
b. Butene
c. Ethanal
d. Methanal
98. 96 Problem
Intramolecular hydrogen bonding is found in :
a. p-nitrophenol
b. m-nitrophenol
c. o-nitrophenol
d. phenol
99. 97 Problem
The acids which do not contain – COOH groups are/is :
a. palmitic acid
b. lactic acid
c. ethanoic acid
d. picric and and p-toluene sulphonic acid
100. 98 Problem
Which of the following compound will show positive silver mirror test ?
a. HCOOH
b. CH3(CHOH)3CHO
c. CH3CO(CHOH)CH3
d. Both (a) and (b)
101. 99 Problem
Which is most important polymer ?
a. DDT
b. PVC
c. BHC
d. DMF
102. 100 Problem
An alkyne has general formula :
a. CnH2n
b. CnH2n+1
c. CnH2n+2
d. CnH2n-2
