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MCQ- 11
Which of the following is incorrect about the enthalpy of neutralization?
A. Its maximum value is 57.5 KJ/mol
B. It is equal to the enthalpy of the formation of water from ions.
C. It is less than 57.5 Kj/mole when one of the acid or base is weaker.
D. Energy is absorbed in this process.

Answer: D

MCQ- 12
In an exothermic reaction, the heat content of the
A. Products is more than that of reactants
B. Reactants is equal to that of products
C. Reactants is more than that of products
D. Reactants is equal to zero

Answer: C

MCQ- 13
Work may be defined in terms of pressure-volume as
A. P∆V
B. ∆H+V
C. F x d
D. H + PV

Answer: A

MCQ- 14
The condition for standard enthalpy change is
A. 760 torr and 300K
B. 760 torr and 298K
C. 760 torr and 277K
D. 760 torr and 0K

Answer: B

MCQ- 15
If electricity is passed through CuSO₄ solution by using Pt electrode, the colour of the solution becomes fade due to
A. Reduction of Cu⁺
B. Reduction of S⁺⁶
C. Reduction of Cu⁺²
D. Oxidation of Cu⁺¹

Answer: C