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
Electron behaves both as a particle and a wave. This was proposed by :
a. Heisenberg
b. Gilbert N. Lewis
c. De-Broglie
d. L. Rutherford
4. 02 Problem
The correct order of increasing atomic radii, is :
a. B < Al < Ga
b. Ga < Al < B
c. Al < B < Ga
d. B < Ga < Al
5. 03 Problem
Which is not a scale of measuring electronegativity ?
a. Stevenson’s scale
b. Mulliken’s scale
c. Allred-Rochow’s scale
d. Pauling scale
6. 04 Problem
The addition of HCN on ketones, is an example of :
a. Nucleophilic addition
b. Electrophilic addition
c. Free radical addition
d. None of the above
7. 05 Problem
Fool’s gold is :
a. CuFeS2
b. FeS2
c. CuS2
d. Cu-2SO
8. 06 Problem
Weight of an atom of an element is 6.644 x 10-23g. What will be the number of g
atom of that element in 40 kg ?
a. 10-3
b. 106
c. 103
d. none of these
9. 07 Problem
If two moles of an ideal gas at 546K occupy volume 44.8 litre, then pressure must
be :
a. 2 atm.
b. 3 atm
c. 4 atm
d. 1 atm.
10. 08 Problem
Compressibility factor of an ideal gas is :
a. Equal to 2
b. Equal to 1
c. Greater than 1
d. Always less than 1
11. 09 Problem
When ammonium chloride is heated with NaOH, a gas is evolved, which has :
a. Pungent odour
b. Smell of rotten eggs
c. Smell of ammonia
d. No smell
12. 10 Problem
When ammonium nitrate is heated at 2500C, the gas evolved is :
a. N2
b. NH3
c. N2O3
d. N2O
13. 11 Problem
The optical isomers, which are not enantiomers, are called :
a. Conformer
b. Diastereomer
c. Mirror images
d. None of these
14. 12 Problem
When methyl iodide is treated with sodium in thereal solution, it gives :
a. Methane
b. Ethane
c. Methyl sodium iodide
d. Sodium methoxide
15. 13 Problem
Bi210 has a half-life of 5 days. The time taken, for of a sample to decay, is :
a. 15 days
b. 20 days
c. 10 days
d. 3.4 days
16. 14 Problem
In permonosulphuric acid (H2SO5), the oxidation number of sulphur is :
a. +8
b. +4
c. +5
d. +6
17. 15 Problem
Qualitative test of halogens in an organic compound is made by :
a. Fleming’s test
b. Beilstein test
c. Bayer’s test
d. Fehling’s test
18. 16 Problem
Brown ring test is for :
a. Nitrate
b. Sulphate
c. Chloride
d. Sulphide
19. 17 Problem
Which of the following compound would exhibit co-ordination isomerism ?
a. [Cr(en)2]NO2
b. [Cr(H2O)6]Cl3
c. [Cr(NH3)6][Co(CN)6]
d. none of these
20. 18 Problem
Which of the following quantities are equal at equilibrium under the particular
set of conditions ?
a. H and G
b. H and S
c. G and S
d. None of these
21. 19 Problem
For the transformation 7N14 + ….. 6C14 + 1H1 the bombarding particle is :
a. Proton
b. Neutron
c. Deutron
d. Electron
22. 20 Problem
The precipitate of Fe(OH)3 in presence of water containing some FeCl3
becomes colloidal on gentle shaking. This is an example of :
a. Electro-osomosis
b. Coagulation
c. Peptisation
d. Electrophoresis
23. 21 Problem
Phosphoric acid is syrupy in nature due to :
a. Strong covalent bonding
b. Hydrogen bonding
c. Van der Waal’s forces
d. None of the above
24. 22 Problem
Fuming sulphuric acid is commercially known as :
a. Oleum
b. Sulphurous acid
c. Marshall’s acid
d. Caro’s acid
25. 23 Problem
Benzaldehyde condense with acetaldehyde to produce :
a. Cinnamic acid
b. Benzoic acid
c. Cinnamaldehyde
d. Acetic anhydride
26. 24 Problem
The reaction of acetaldehyde with Tollen’s reagent gives :
a. Silver acetate
b. Methyl alcohol
c. Formaldehyde
d. Acetic acid
27. 25 Problem
In the series, ethane, ethane and ethyne, the C- H bond energy is :
a. Same in the all three compounds greatest in ethane
b. Greatest in ethane
c. Greatest in ethane
d. Greatest in ethyne
28. 26 Problem
Primary, secondary and tertiary alcohols can be distinguished by performing :
a. Beilstein test
b. Victor Meyer’s test
c. Fehling’s solution test
d. Hofmann’s test
29. 27 Problem
What is obtained, when ammonical AgNO3 reacts with acetylene ?
a. Propanone
b. Silver acetylide
c. Ethylene
d. None of these
30. 28 Problem
Which of the following is a colligative property ?
a. Osmotic pressure
b. Surface tension
c. Viscosity
d. Optical rotation
31. 29 Problem
Which of the following solution has highest boiling point ?
a. 0.1 M urea
b. 0.1 M sucrose
c. 0.1 M NaNO3
d. 0.1 M Al(NO3)3
32. 30 Problem
The order of a reaction, with respect to one of the reacting component Y, is zero
It implies that :
a. The reaction is going on at a constant rate
b. The rate of reaction does not vary with temperature
c. The reaction rate is independent of the concentration of Y
d. The rate of formation of the activated compelx is zero
33. 31 Problem
The hybridization of P in PCl5 is :
a. sp2
b. sp3d
c. sp3
d. dsp2
34. 32 Problem
Red lead is an example of :
a. Basic oxide
b. Super oxide
c. Mixed oxide
d. Amphoteric
35. 33 Problem
The solubility product of PbCl2 is 2.3 x 10-32. Its solubility will be :
a. 1.78 x 10-11 g/lit
b. 2.95 x 10-11 g/lit
c. 3.42 x 10-11 g/lit
d. 4.95 x 10-11 g/lit
36. 34 Problem
pKa of a weak acid is defined as :
a. log Ka
1
b. log Ka
1
c. log K
a
1
d. - log Ka
37. 35 Problem
At 300 K, the equilibrium partial pressure of CO2, CO and O2 are 0.6, 0.4 and 0.2
atmospheres respectively. Kp for the reaction, 2CO2 2CO O2 is :
a. 0.088
b. 0.0533
c. 0.133
d. 0.177
38. 36 Problem
If the rate of a gaseous reaction is independent of pressure, the order of reaction
is :
a. 0
b. 1
c. 2
d. 3
39. 37 Problem
The correct representation of Gibb’s Helmholtz equation is :
a. G= H+T S
b. G= H- T .S
c. G= H - T. S
d. G= H + S. T
40. 38 Problem
Benzyl alcohol can be prepared from benzaldehyde by :
a. Friedel Craft’s reaction
b. Cannizzaro’s reaction
c. Kolbe’s reaction
d. Reimer Tiemann reaction
41. 39 Problem
The relationship between acetylene and benzene is comparable to the
relationship between propyne and :
a. Dimethyl benzene
b. Neoprene
c. Propyl benzene
d. Mesitylene
42. 40 Problem
Which of the following is not inflammable ?
a. CHCl3
b. Benzene
c. Toluene
d. Carbon tetrachloride
43. 41 Problem
Which of the following is an acidic oxide ?
a. Mn2O3
b. MnO2
c. Mn2O7
d. MnO
44. 42 Problem
The most reactive noble gas is :
a. Helium
b. Argon
c. Krypton
d. Xenon
45. 43 Problem
The movement of the colloidal particles under the influence of applied electric
field is called :
a. Dialysis
b. Electrophoresis
c. Tyndall effect
d. Osmosis
46. 44 Problem
The slope in Arhenius plot, is equal to :
Ea
a. 2.303R
Ea
b. R
R
c. 2.303Ea
d. none of these
47. 45 Problem
Carnallite is :
a. MgCO3.CaCO3
b. MgSO4. 7H2O
c. KAlSi3O8
d. KCl.MgCl2.6H2O
48. 46 Problem
Which of the following ions, is colourless ?
a. Fe3+
b. Zn2+
c. Fe2+
d. Cu2+
49. 47 Problem
Paracetamol is :
a. An antipyretic
b. An antiseptic
c. An natibiotic
d. A disinfectent
50. 48 Problem
Natural rubber is the polymer of :
a. 1, 2-butadiene
b. 1,3-butadiene
c. isoprene
d. none of these
51. 49 Problem
Which of the following is an intensive property ?
a. Volume
b. Enthalpy
c. Surface tension
d. Free energy
52. 50 Problem
Which of the following metal can replace zinc from ZnSO4 solution ?
a. Cu
b. Hg
c. Fe
d. Al