Question

Which of the following will show geometrical isomerism?

• A. 1 -butene
• B. 1,2 -dibromobutene
• C. Propene
• D. iso-butylene

Answer 1

Answer: (B)

$1,2$ -dibromobutene has different substituents on each $C$-atom of the double bond, hence it shows geometrical isomerism.