Question

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

• 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 temeprature.
• D. the number of reactant molecules acquiring the activation energy increases with increasing temperature.

Answer 1

Answer: (A), (D)

The increase in rate constant of a chemical reaction with increasing temperature are due to the following facts.
The number of collisions among the reactant molecules increases with increasing temperature.
The number of reactant molecules acquiring the activation energy increases with increasing temperature.