The increase in rate constant of a chemical reaction with increasing temperature is (are) due to the fact (s) that

Options

A. the number of collisions among the reactant molecules increases with increasing temperature
B. the activation energy of the reaction decreases with increasing temperature
C. the concentration of the reactant molecules increases with increasing temperature
D. the number of reactant molecules acquiring the activation energy increases with increasing temperature

Answer

A, D

Explanation

Both (a) and (d) are the correct reasons.