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ACADEMIC SESSION:2014-15

FACULTY TRAINING PROGRAMME (PCCP-FTP)

SAMPLE TEST PAPER

SUBJECT : CHEMISTRY
Time : 2 Hrs. Maximum Marks : 60

1. Blank papers, clip boards, log tables, slide rule, calculators, mobile or any other electronic

gadgets in any form is not allowed.

2. Write your Name in the space provided in the bottom of this booklet.

3. Each correct answer carries ‘+ 1’ mark and each wrong answer ‘–0.25’ marks.

4. In case of any dispute, the answer filled in the OMR sheet available with the institute shall be

final.

5. After completion submit the Question Paper back along with the Answer Sheet.

6. The Paper contains 60 quesitons.

7. All the questions are compulsory.

Name : ____________________________________________ Roll No. :______________________________

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 CHEMISTRY
1. Which has a giant covalent structure ?
(A) PbO2 (B) SiO2 (C) NaCl (D) AlCl3

2. Carbon atoms in C2(CN)4 are :

(A) sp-hybridised (B) sp2-hybridised
2
(C) sp-and sp -hybridised (D) sp, sp2 and sp3 -hybridised

3. The correct order of dipole moment is :

(A) CH4 < NF3 < NH3 < H2O (B) NF3 < CH4 < NH3 < H2O
(C) NH3 < NF3 < CH4 < H2O (D) H2O < NH3 < NF3 < CH4

4. Which statement is true?

(A) Absolutely pure water does not contain any ion
(B) Some covalent compounds may also give ions in aqueous solution
(C) In aqueous solution only electrovalent compounds give ions
(D) Very sparingly soluble substances do not dissociate in aqueous solution

5. The lattice energy order for lithium halide is :

(A) LiF > LiCI > LiBr > LiI (B) LiCI > LiF > LiBr > LiI
(C) LiBr > LiCI > LiF > LiI (D) LiI > LiBr > LiCI > LiF

6. Which is likely to have the highest melting point ?:

(A) He (B) CsF (C) NH3 (D) CHCl3

7. The number of electrons required to deposit 1 g atom of AI (at. wt. = 27) from a solution of AICI3 are:
(A) 1 N (B) 2 N (C) 3 N (D) 4 N

8. The number of coulombs required for the deposition of 107.87 g of silver is:
(A) 96500 (B) 48205 (C) 19300 (D) 10000

9. If the cell reaction is spontaneous then:

(A) G° is +ve (B) E°red is –ve (C) E°red is +ve (D) G is –ve

10. When the temperature is increased, surface tenstion of water :

(A) Increases (B) Decreases (C) Remains constant (D) Show irregular behaviour

Space for rough work

PCCP-FTP_CHEMISTRY_PAGE # 2
11. A gas behaves most like an ideal gas under conditions of :
(A) High pressure and low temperature (B) High temperature and high pressure
(C) Low pressure and high temperature (D) Low pressure and low temperature

12. The kinetic energy of molecule is zero at :

(A) 0ºC (B) 273ºC (C) –273ºC (D) 116ºC

13. Which increase of pressure, the mean free path :

(A) Decreases (B) Increases (C) Becomes zero (D) Remains same

14. For 1 mole of gas, the average kinetic energy is given as E. The urms of gas is :
1/ 2 1/ 2 1/ 2 1/ 2
 2E   3E   2E   3E 
(A)   (B)   (C)   (D)  
M M  3M   2M 
15. Which of the following elements constitutes a major impurity in pig iron ?
(A) Carbon (B) Oxygen (C) Sulphur (D) Silicon

16. Which of the following pair is incorrectly matched ?

(A) van Arkel method – Zirconium (B) Kroll’s process – Titanium
(C) Froth Floatation – Cerussite (D) Distillation – Zinc

17. The equivalent weight of a divalent metal is 31.82. The weight of a single atom is :
(A) 32.77×6.02×1023 (B) 63.64×6.02×1023 (C) 63.64 (D) 63.64/6.02×1023
18. 0.5 g of a metal combined with 0.2 g of oxygen to form :
(A) 40 (B) 20 (C) 14 (D) 10

19. 2 moles of ethyl alcohol are present with 6 mole of water. The mole fraction of alcohol is :
(A) 0.5 (B) 0.75 (C) 0.15 (D) 0.25

20. Volume of 0.1 M NaOH needed for the neutralisation of 20 mL of 0.05 M oxalic acid is :
(A) 10 mL (B) 15 mL (C) 20 mL (D) 30 mL

21. In alkaline conditions KMnO4 reacts as, 2KMnO 4  2KOH  2K 2MnO 4  H2O  O . There, its equiva-
lent weight is :
(A) 31.6 (B) 52.7 (C) 79.0 (D) 158.0

22. How many g of KCl would have to be dissovled in 60 g H2O to give 20% by weight of solution ? :
(A) 15 g (B) 1.5 g (C) 11.5 g (D) 31.5 g

Space for rough work

PCCP-FTP_CHEMISTRY_PAGE # 3
23. Equal volumes of 0.1 M AgNO3 and 0.2 M NaCl are mixed. The concentration of NO3– ions in the mixture
will be :
(A) 0.1 M (B) 0.05 M (C) 0.2 M (D) 0.15 M
24. A certain radioactive isotope has a half life of 50 day. Fraction of the material left behind after 100 day will
be:
(A) 50% (B) 75% (C) 12.5% (D) 25%
25 The ore which is concentrated by wetting process is :
(A) an oxide ore (B) a sulphate ore (C) a carbonate ore (D) a sulphide ore
228 212
26. The number of - and -particles emitted in the unclear reaction 90 Th 83 Bi are:
(A) 4 and 1 (B) 3 and 7 (C) 8 and 1 (D) 4 and 7
27. In a nuclear fission caused by the impact of a single neutron, two neutrons are produced in one step. The
number of neutrons produced in nth step will be:
(A) 2n (B) n2 (C) 2n2 (D) 2n
28. Consider the following sequence of tests,
Mn+ + HCI  white precipitate  
water soluble
The metal ion (Mn+) would be:
(A) Hg2+ (B) Ag+ (C) Pb2+ (D) Sn2+
29. Mass number of a nuclide is 216. Its approximate radius in fermi units is:
(A) 6.0 (B) 7.0 (C) 8.0 (D) 7.8
30. When KMnO4 acts as an oxidising agent and ultimately forms MnO42–, MnO2, Mn2O3 and Mn2+, then the
number of electrons transferred in each case respectively
(A) 4, 3, 1, 5 (B) 1, 5, 3, 7 (C) 1, 3, 4, 5 (D) 3, 5, 7, 1
31. The colour of K2Cr2O7 changes from red-orange to lemon-yellow on treatmetn with KOH (aq) because of:
(A) Reduction of Cr (VI) to Cr (III)
(B) Formation of chromium hydroxide
(C) Conversion of dichromate into chromate ion
(D) Oxidation of potassium hydroxide to potassium peroxide

32. Which reaction involves oxidation-reduction?

(A) NaBr + HCI  NaCI + HBr (B) HBr + AgNO3  AgBr + HNO3

(C) 2NaOH + H2SO4  Na2SO4 + 2H2O (D) H2 + Br  2HBr

33. The compound that can work both as an oxidising and reducing agent is:
(A) KMnO4 (B) H2O2 (C) Fe2(SO4)3 (D) K2Cr2O7

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PCCP-FTP_CHEMISTRY_PAGE # 4
34. For the redox reaction, MnO4– + C2O42– + H+  Mn2+ + CO2 + H2O The correct coefficients of the
reactants for the balanced reaction are:
MnO4– C2O42– H+
(A) 2 5 16
(B) 16 5 2
(C) 5 16 2
(D) 2 16 5

35. How many mole of electrons are involved in the reduction of one mole of MnO4 ion in alkaline medium to
MnO3– ?
(A) 2 (B) 1 (C) 3 (D) 4

36. There is no difference between a 2p and a 3p orbital regarding :

(A) Shape (B) Size (C) Energy (D) Value of n.

37. Line spectra is characteristic of :

(A) Atoms (B) Molecules (C) Radicals (D) Ions.

38. The orbital angular momentum of an electron in 2s-orbital is :

h h h
(A) (B) Zero (C) (D) 2 . 2 .
4 2

39. Assuming the velocity be same, which sub-atomic particle possesses smallest de Broglie wavelength :
(A) An electron. (B) A proton. (C) An -particle. (D) All have same .

40. Three most occuring elements into the earth crust are :
(A) O, Si, Al (B) Si, O, Fe (C) Fe, Ca, Al (D) Si, O, N

41. Increase in the frequency of the incident radiations increases the :

(A) Rate of emission of photo-electrons. (B) Work function.
(C) Kinetic energy of photo-electrons. (D) Threshold frequency.

42. Mosley’s name is connected with the discovery of :

(A) Protons. (B) Neutrons.
(C) Atomic number. (D) Atomic weight.

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PCCP-FTP_CHEMISTRY_PAGE # 5
43. The mass of an electron is m, its charge e and it is accelerated from rest through a potential difference
V. The kinetic energy of the electron in joules will be :
(A) V (B) eV (C) MeV (D) None of these.

44. Acetic acid on dissolution in benzene will show:

(A) Two times of its normal molecular weight (B) Its normal molecular weight
(C) Half of its normal molecular weight (D) None of the above

45. As a result of osmosis, the volume of the concentrated solution.

(A) Gradually decreases (B) Gradually increases
(C) Suddenly increases (D) None of these

46. The temperature at which vapour pressure of a solvent in its liquid and solid phase becomes same is
called:
(A) B.p. (B) F.p. (C) Krafft point (D) None of these

47. Dissolution of a solute is an exothermic process if :

(A) Hydration energy > Lattice energy (B) Hydration energy < Lattice energy
(C) Hydration energy = Lattice energy (D) All of the above

48. The relative lowering of vapour pressure is equal to the mole fraction of the non-volatile solute. This
statement was given by:
(A) Raoult (B) Henry (C) Joule (D) Dalton

49. In Nessler`s reagent, the ion present is:

(A) HgI2– (B) HgI24– (C) Hg+ (D) Hg2

50. Which of the following processes involves absorption of energy ?

(A) S(g) + e–  S– (g) (B) S– + e–  S2– (g)
(C) Cl(g) + e–  Cl– (g) (D) None.

51. The electronegativity of the following elements increases in the order :

(A) C < N < Si < P (B) Si < P < C < N (C) N < C < P < Si (D) C < Si < N < P

52. Born-Haber cycle can be used to estimate :

(A) Lattice energy of ionic crystals. (B) Electron gain enthalpy.
(C) Electronegativity. (D) Both (A) and (B).

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PCCP-FTP_CHEMISTRY_PAGE # 6
53. The element having very high ionization enthalpy but zero electron gain enthalpy is :
(A) H (B) F (C) He (D) Be

54. An element has successive ionization enthalpies as 940 (first), 2080, 3090, 4140, 7030, 7870, 16000 and
19500 kJmol–1. To which group of the periodic table does this element belong?
(A) 14 (B) 15 (C) 16 (D) 17

55. IUPAC name of [Fe(O2)(CN4) CI]4– is :

(A) Chlorotetracyno dioxoferrate (II)ion (B) Chlorotetracyano peroxoferrate (II)ion
(C) Chlorotetracyano superoxoferrate (II)ion (D) None of these

56. The structrue of K[PtCI3(C2H4)] and hybridisation of Pt respectively are :

(A) square planar, sp2d2 (B) square planar, dsp2
(C) tetrahedral, sp3 (D) octahedral, d2sp3

57. Poling process is used for :

(A) The removal of Cu2O from Cu (B) The removal of Al2O3 from Al
(C) The removal of Fe2O3 from Fe (D) All of these

58. Formation of Ni(CO)4 and subsequent its decompostion into Ni and CO makes basis of Mond’s process:
T1 T2
Ni + 4CO  Ni(CO)4 
 Ni + 4CO , T1 and T2 are :
(A) 100ºC, 50ºC (B) 50ºC, 100ºC (C) 50ºC, 230ºC (D) 230ºC, 50ºC

59. Which statement about coordination number of a cation is true?

(A) Most metal ions exhibit only a single characteristic coordination number
(B) The coordination number is equal to the number of ligands bonded to the metal atom
(C) The coordination number is determined solely by the tendency to surround the metal atom with the
same number of electrons as one of the rare gases
(D) For most cations, the coordination number depends on the size, structure and charge of the ligands

60. Dimethyl glyoxime forms a square planar complex with Ni2+ . This complex should be :
(A) diamagnetic (B) paramagnetic having 1 unpaired electron
(C) paramagnetic having 2 unpaired electrons (D) ferromagnetic

ANSWER KEY
Ques. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Ans. B C A B A B C A D B C C A A A
Ques. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Ans. C D B D C D A B D D A D C D C
Ques. 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
Ans. C D B A A A A B C A C C B A B
Ques. 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
Ans. B A A B B B D C C C B A C D A

PCCP-FTP_CHEMISTRY_PAGE # 7