| (i) Activation energy |
| (ii) Equilibrium constant |
| (iii) Reaction enthalpy |
A) (i) only
B) (iii) only
C) (i) and (ii) only
D) All of these
Correct Answer: A
Solution :
Addition of a catalyst to a reaction mixture has the effect of lowering the activation energy of the reaction by changing the path or mechanism of the reaction. The reaction rate increases manifold. However, the equilibrium constant and the enthalpy \[(\Delta H)\]of the reaction are unaffected.
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