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Quid-i- Azam University Islamabad Sample Paper Aptitude test for admission to M.Sc. Chemistry

Quid-i- Azam University Islamabad Sample Paper Aptitude test for admission to M.Sc. Chemistry

Sample Paper
QUAID-I-AZAM UNIVERSITY
DEPARTMENT OF CHEMISTRY
Aptitude test for admission to M.Sc. Chemistry
Name: Registration No.
Father’s Name: Signature:
Note:- Time duration is one hour and questions will be set accordingly.
Encircle the correct option
Q.1 An electron volt (eV) is the energy required to move an electronic charge (e) through an electric potential of 1V. Estimated 2eV energy in kJ.mol2 of electronics will be equal to____________.
a) 94.46 b) 193
c) 0.193 d) 193.103
Q.2 At constant volume and temperature the criterion of spontaneity is:
a) ΔG > 0 b) ΔA < 0
c) ΔA > 0 d) ΔG < 0
Q.3 Unit of specific conductance in the SI system is:
a) m1 b) N m1
c) S m1 d) S m2
Q.4 For the equation (3/2)x +2/5 = 1, x should be:
a) 2/5 b) -2/3
c) 1 d) none of the above
Q.5 The derivative of f(x) = 5/x3 is ___________.
a) 15 x3 b) 15 x4
c) 15 x2 d) 15 x4
Q.6 What will be the pH of the solution when 24.0 mL of 0.50M HCl is added to 40.0 mL of 0.20M NH3? HCl + NH3 —→ NH4Cl
a) 1.0 b) 4.20 c) 1.20 d) 0.52
Contd………P/2
- 2 -
Q.7 Predict the order of decomposition temperature of alkaline earth metal sulphates
in the reaction:
MSO4(s) MO(s) + SO3(g)
a) MgSO4 < CaSO4 < SrSO4 < BaSO4
b) CaSO4 < BaSO4 < SrSO4 < MgSO4
c) MgSO4 < BaSO4 < CaSO4 < SrSO4
d) BaSO4 < MgSO4 < CaSO4 < PbSO4
Q.8 What shape would you expect for the species IF5?
a) Trigonal planar b) Trigonal bipyramidal
c) Square pyramidal d) None of the above
Q.9 The solubility product of Mg(OH)2 is 5.0 x 10 12. The solubility of Mg(OH)2 in
water is ___________ mol/L.
a) 2.0 x 10 5 b) 1.08 x 10 4
c) 3.0 x 10 3 d) 1.1 x 10 2
Q.10 Which of the following has the highest Lattice Energy?
a) NaF b) CuBr2 c) MgO d) AgCl
Q.11 Ethyl acetate on reaction with ethyl magnesium bromide followed by acid
hydrolysis gives:
a) C2H5
C2H5
C2H5
OH
b) H3C
C2H5
C2H5
OH
c) H3C CH3
OH
CH3
d) C2H5 CH3
OH
CH3
Q.12 The relationship of the following two structures is:
C C
Br
Br
H3C
CH3
C C
Br
CH3
Br
H3C
a) Epimers b) Geometric isomers
c) Metamers c) Conformational isomers
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