Assertion: Among the isomeric alkanes, the branched chain isomers have lower boiling point than the straight chain isomers.
Reason: With branching of chain surface area decreases and the vander waal forces of attraction which depend upon surface area also tend to decreases.
(a) A is correct, R is correct and R is a correct explanation of A.
(b) A is not correct,R is correct and R is not a explanation for A.
(c) Both A and R are wrong.
(d) R is correct reason but A is wrong.