Assertion: Organic compound which do not contain chiral carbon atoms cannot be optically active.
Reason: An organic compound is optically active only when its mirror image is non-superimposable irrespective of the fact ether it contains a chiral carbon

Options

A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true and the reason is the correct explanations of the assertion
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Answer

D

Explanation

Any compound doesn't contain chiral carbon. Although it may be chiral (optically active)

It has no chral, although it is optically active.
Allene, alkylidenes, spiranes and biphenyls.