Question

Which of the following step is the rate determining step of contact theory?

(a) Diffusion of reactants to surface

(b) Adsorption of reactants at the surface

(c) Chemical reaction at the surface

(d) Desorption of products from the surface

This question was posed to me by my college professor while I was bunking the class.

My question is from Catalysis topic in section Reaction Dynamics of Engineering Chemistry I

Answer 1

The correct choice is (c) Chemical reaction at the surface

To explain I would say: Chemical reaction at the surface is the slowest and rate determining step of contact theory. The contact hypothesis has been described as one of the best ways to improve relations among groups that are experiencing conflict.