The role of a catalyst is to change ______________.
The role of a catalyst is to change ______________.

(i) gibbs energy of reaction.

(ii) enthalpy of reaction.

(iii) activation energy of reaction.

(iv) equilibrium constant.

 

Correct Answer: (iii) activation energy of reaction

Explanation: The major role of catalyst is to increase the rate of the reaction by reducing the activation energy of the reaction.