Arrange the following diagrams in correct sequence of steps involved in the mechanism of catalysis, in accordance with modern adsorption theory.

Options

A. (i) (ii) (iii) (iv) (v)
B. (i) (iii) (ii) (iv) (v)
C. (i) (iii) (ii) (v) (iv)
D. (i) (ii) (iii) (v) (iv)

Answer

B

Explanation

(i) Reacting molecules approach the surface of catalyst.
(ii) Reactant moleccules get adsorbed on the surface of catalyst.
(iii) Reactant molecules form an intermediate