Q. Assertion : For a chemical reaction with rise in temperature by the rate constant is nearly doubled.
Reason: At , the fraction of molecules having energy equal to or greater than activation energy gets doubled.

 2552  235 Chemical Kinetics Report Error

Solution:

For a chemical reaction with the rise in the fraction of molecules having energy equal or greater than activation energy is doubled and hence the rate of reaction is doubled or we may say rate constant is doubled.