Assertion (A): Poistive catalyst lowers the activation energy of the reaction whereas the heat of reaction remains same.
Reason (R ): The heat of reaction is equal to the difference between activation energies for forward and backward reactions.
A. If both (A) and (R) are correct but (R) is the correct explanation of (A) .
B. If both (A) and (R) are correct but (R) is not the correct exaplanation of (A)
C. If (A) is correct but (R) is incorrect
D. If (A) is incorrect but (R) is correct
