Assertion The p - isomer of dichlorobenzene has higher m.p than o-and m isomer
Reason p-isomer is symmetrical and thus shows more closely packed structure .
A. If both assertion and reason are true and the reasone is the correct explanation of the assertion .
B. If both assertion and reason are true but reason is the correct explanation of the assertion .
C. If assertion is true but reasone is false
D. If assertion is false but reason is true .