(A) A catalyst increases the rate of areaction.
(R)In presence of a catalyst, the activation energy of the reaction increases.

Options

A. If both (A) and (R) are true and (R) is the correct explanation of (A).
B. If both (A) and (R) are true but (R) is not the correct explanation of (A).
C. If (A) is correct but (R) is incorrect.
D. If (A) and (R) are both incorrect.

Answer

B

Explanation

A negative catalyst may increase the activation energy of reaction.