question_answer

Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

The compounds show the geometrical isomerism are: (1) (2) \[C{{H}_{3}}C{{H}_{2}}CH=CHC{{H}_{3}}\] (3) \[B{{r}_{2}}C=C{{H}_{2}}\] (4) \[ClHC=CHCl\]

A)  1, 2 and 3 are correct

B)  1 and 2 are correct

C)   2 and 4 are correct

D)  1 and 3 are correct

Correct Answer: C

Solution :

                 A compound containing a double bond can show geometrical isomerism only when identical groups are not present on the double bonded carbon.