question_answer

Geometrical isomerism is not shown by   AIEEE  Solved  Paper-2002

A) 1, 1 -dichloro-1 ?pentene

B) 1, 2-dichloro-l-pentene

C) 1, 3-dichloro-2-pentene

D) 1, 4-dichloro-2-pentene

Correct Answer: A

Solution :

                          At least two groups or atoms attached to doubly bonded carbon atoms should be different.