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
1.2 of Mg (At. Mass 24) will produce MgO equal to:
a. 40 g
b. 4 g
c. 0.05 mol
d. 40 mg
4. 02 Problem
Electro-chemical process is employed to extract:
a. Sodium
b. Silver
c. Lead
d. Iron
5. 03 Problem
A compound whose molecule is super-imposable on its mirror image inspite of
containing chiral carbon atoms is called:
a. Optical isomer
b. Meso compound
c. Diastereomer
d. Enatiomer
6. 04 Problem
Which of the following substance render water hand?
a. KNO2
b. NaCl
c. HCL
d. FeCl2
7. 05 Problem
The heating of which of the following gives pure chlorine:
a. Bleaching powder + Hcl
b. NaCl + MnO2 + H2SO4
c. MnO2 + HCl
d. PtCl4
8. 06 Problem
When mercuric iodide is added to the aqueous solution of potassium iodide the:
a. Freezing does not change
b. Freezing point is raised
c. Boiling point does not change
d. Freezing is lowered
9. 07 Problem
In the radioactive change
Z PA Z 1OA Z 1 RA 4
Z 1 SA 4
The radiations emitted in sequence are:
a. , ,
, ,
b.
c. , ,
d. , ,
10. 08 Problem
The common ion effect is shown by which one of the following set solution:
a. NH4OH + NH4Cl
b. AgCN + KCN
c. BaCl2 + BaNO3
d. NaCl + HCl
11. 09 Problem
Which of the following indicates the charge on colloidal particles?
a. Tyndal effect
b. Brownian movement
c. Electrophoresis
d. Electrolysis
12. 10 Problem
For precipitation reaction of Ag+ ions with NaCl, which of the following
statements is correct?
a. G for the reaction is zero
b. G for the reaction is negative
c. x for the reaction is zero
d. [ G] = [ H]
13. 11 Problem
which of the following represents homogeneous catalysis?
a. CH COOH C2H5OH H
CH3COOC2H5 H2O
3 H2SO4
Ni
b. Oil + H2 saturated fat
V2O5
c. 2SO2 O2
d. none of these
14. 12 Problem
Hydrogen bonding is maximum in:
a. Ethyl chloride
b. Ethanal
c. Triethyl ether
d. Diethyl ether
15. 13 Problem
Which of the following molecule has highest dipole moment?
a. B2H6
b. NF3
c. NH3
d. BF3
16. 14 Problem
The half-life of a radioactive element depends upon:
a. The temperature
b. The pressure
c. The amount of the element
d. None of these
17. 15 Problem
The energy of a photon is given as, E/ atom = 3.03 X 10-19 J atom –1 then, the
wavelength ( ) of the photon is:
a. 0.656 nm
b. 6.56 nm
c. 65.6 nm
d. 656 nm
18. 16 Problem
the best conductor of electricity of a 1M solution is:
a. phosphoric acid
b. acetic acid
c. boric acid
d. sulphuric acid
19. 17 Problem
The reaction of calcium with water is represented by the equation:
Ca 2H2O Ca(OH)2 H2
What volume of H2, at STP would be liberated when 8 gm of calcium completely
reacts with water?
a. 0.2 cm3
b. 0.4 cm3
c. 2240 cm3
d. 4480 cm3
20. 18 Problem
The rate at which a substance reacts is proportional to its:
a. Active mass
b. Density
c. Volume
d. Weight
21. 19 Problem
The ion that can not be precipitated by both Hcl and H2S is:
a. Ag+
b. Pb2+
c. Cu2+
d. Sn2+
22. 20 Problem
A solution of copper sulphate is:
a. Decolourises litmus
b. Acidic to litmus
c. Basic to litmus
d. Neutral to litmus
23. 21 Problem
The alkali metal which acts as a nutrient for plants is:
a. Acidic
b. Basic
c. Neutral
d. None of these
24. 22 Problem
100 mL of 0.1 N HCl were mixed with 175 mL of 0.05 N NaOH the resulting
solution will be:
a. Acidic
b. basic
c. neutral
d. none of these
25. 23 Problem
Atomic number equal to the:
a. Atomic mass of the element
b. Sum of protons and neutrons
c. Number of protons in the nucleus
d. Number of neutrons in the nucleus
26. 24 Problem
Which is the lightest gas?
a. Helium
b. Oxygen
c. Hydrogen
d. Nitrogen
27. 25 Problem
Number of neutrons in heavy hydrogen atom is:
a. 3
b. 2
c. 1
d. 0
28. 26 Problem
which of the following is paramagnetic?
a. NO+
b. CO
c. CN-
d. O2
29. 27 Problem
The most abundant element present in the earth crust is:
a. Al
b. Mg
c. Ag
d. Ni
30. 28 Problem
Non-stoichiometric compound have the properties of:
a. Electrical conductance
b. Isolation
c. Insulation
d. None of these
31. 29 Problem
Natural rubber is:
a. Poly vinyl chloride
b. Poly chloroprene
c. Poly fluoroethylene
d. Poly isoprene
32. 30 Problem
Benzene diazonium salt is represent as:
a. C6H5NHCOC6H5
b. C6H5N2X
c. C6H5N=CH__C6H5
d. C6H5NHCOCH3
33. 31 Problem
The product formed by heating sucrose with conc. HNO3 is:
a. Sucrose nitrate
b. Oxalic acid
c. Citric acid
d. Lactic acid
34. 32 Problem
When nitrobenzene is ruminated, then following kind nitrobenzene is
formed?
a. Mixture of ortho and para
b. Para
c. Meta
d. Ortho
35. 33 Problem
Which one of the following has maximum acid strength?
a. p-nitrophenol
b. p-nitrobenzoic acid
c. m-nitrobenzoic acid
d. o-nitrobenzoic acid
36. 34 Problem
formaldehyde can be distinguished from acetaldehyde by:
a. ammonical AgNo3
b. ammonia
c. Fehling solution
d. Schiff reagent
37. 35 Problem
The amount of electricity that can deposit 108 g of Ag from AgNo3- solution is:
a. 1F
b. 2A
c. 1C
d. 1A
38. 36 Problem
molal depression constant for water is 1.860C. The freezing point of a 0.05
molal solution of a non electrolyte in water is:
a. 0.930 C
b. -.0.0930 C
c. -0.930 C
d. -1.860 C
39. 37 Problem
when formic acid or oxalic aicd is treated with conc. H2SO4, the gas evolved is?
a. CO
b. CO2
c. S02
d. H2S
40. 38 Problem
Which of the following products is obtained by the oxidation of
propionaldehyde?
a. n-propyl alcohol
b. Propanoic alcohol
c. Formic acid and acetic acid
d. Acetic acid
41. 39 Problem
Proof sprit contains about:
a. 10 % alcohol by weight
b. 25% alcohol by weight
c. 40% alcohol by weight
d. 50% alcohol by weight
42. 40 Problem
When vapours of an alcohol are passed over hot reduced copper alcohol is
converted in to alkene the alcohol is :
a. Primary
b. Secondary
c. Tertiary
d. None of these
43. 41 Problem
2-chloro-2-methylpropane on reaction with aqueous KOH, gives X as the major
product X is :
a. 2 methyl-2-propanol
b. 1-butene
c. 2-methylpropene
d. 2-butene
44. 42 Problem
The correct order of acidic strength is :
a. K2O > CaO > MgO
b. Na2O > MgO > Al2O3
c. CO2 > N2O5 > SO3
d. Cl2O7 > SO2 > P4O10
45. 43 Problem
In P4O6 the number of oxygen atoms bonded to each phosphorus atom is :
a. 4
b. 3
c. 2
d. 1, 5
46. 44 Problem
Phosphorus undergoes slow combustion and glows in dark. The process is called :
a. Phosphorescence
b. Fluorescence
c. Chemiluminiscene
d. Photochemical change
47. 45 Problem
The solubility of AgCl (silver chloride) in 0.2 M NaCl is given (Given Ksp AgCl = 1.8
x 10-10)
a. 1.8 x 10-11 M
b. 3.6 x 10-10 M
c. 7.2 x 10-10 M
d. 9 x 10-10 M
48. 46 Problem
Which of the following will have largest pH ?
M
a. NaOH
100
M
b. NaOH
10
M
c. HCl
100
M
HCl
d. 10
49. 47 Problem
1
The enthalpy of the reaction : H2O2 (l ) H2O l
2
O2 g is –23.5 kcal mol-1 and
the enthalpy of formation of H2O(l) is –68.3 kcal mol-1. the enthalpy of formation
of H2O2(l) is :
a. -91.8 kcal mol-1
b. -44.8 kcal mol-1
c. 44.8 kcal mol-1
d. 9.18 kcal mol-1
50. 48 Problem
an -particle is identical with :
a. electron
b. proton
c. neutron
d. helium nucleus
51. 49 Problem
The IUPAC name for the compound
a. 1,2-epoxypropane
b. 1, 2-propoxide
c. propylene oxide
d. 1, 2-oxopropane
52. 50 Problem
Ni
Which compound is prepared by the following reaction ? Xe + F2 673K
a. XeF6
b. XeF4
c. XeF2
d. None of these
