Assertion (A): The rate of reaction increases with increase in temperature.
Reason (R): The reactant molecules collide less frequency.

Options

A. Both A and R are true and R is the correct explanation for A
B. Both A and R are true but R is NOT the correct explanation of A
C. A is true but R is false
D. A is false and R is true

Answer

C

Explanation

As the temperature of a reaction is increased, the rate of the reaction increases because the reactant molecules collide more frequency and with greater energy per collision.