Q. According to the adsorption theory of catalysis, the speed of the reaction increases because

A) The concentration of reactant molecules at the active centres of the catalyst becomes high due to adsorption
B) In the process of adsorption, the activation energy of the molecules becomes large
C) Adsorption produces heat which increases the speed of the reaction
D) Adsorption lowers the activation energy of the reaction
Explanation

The correct answer is Option D: Adsorption lowers the activation energy of the reaction.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.