Assertion(A): A catalyst speed up a reaction but does not participate in its mechanism.
Reason(R): A catalyst provides an alternative path of lower activation energy to the reactants.
A. If both (A) and (R) are correct, and (R) is the correct explanation of (A)
B. If both (A) and (R) are correct, but (R) is the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If (A) is incorrect, but (R) is correct. S
