Assertion (A) : CHBr = CHCl has geometrical isomers but CH2Br - CH2Cl has no geometrical isomers.
Reason (R) : For geometrical isomers presence of C = C is essential..
(A) Assertion (A) and reason (R) both are correct and reason (R) is correct explanation of assertion (A).
(B) Assertion (A) and reason (R) both are correct but reason (R) is not correct explanation of assertion (A).
(C) Assertion (A) is correct while reason (R) is incorrect.
(D) Assertion (A) is incorrect while reason (R) is correct.