Assertain (A): van der waal's force are responsible for chemisorption.
Reason: (R): High temprature is favourable for chemosorption.
The correct answer is

Options

A. (A) is false,but (R) is true
B. Both (A) and (R)are correct and (R) is the correct explanation of (A)
C. Both (A) and (R) are correct and (R) is not the correct explanation of (A)
D. (A)m is true, but (R) is false

Answer

a

Explanation

Van der waals forces are involved in physisorption but not in chemisorption.
hemisorption requires high tempratures.