Assertion : All molecules collisions lead to the formation of products.
Reason : Reactant molecules undergo chemical change irrespective of their collision.
Assertion : Rate of reaction increases with increase in temperature .
Reason : Number of effective collisions increases with increase in temperature.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.