Assertion: Cyclohexanone exhibits keto-enol tautomerism.
Reason: In cyclohexanone, one form contains the keto group while other contains enolic group (-C=C-OH).
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false