Assertion : Staggered conformation of ethane is 12.5 kJ mol-1 more stable than the eclipsed conformation.
Reason : The two conformations of ethane cannot be separated at room temperature.
(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