Question

The stereoisomers that are formed by electrophilic addition of bromine to tans-but-$2$-ene is/are :

• A. $2$ enantiomers
• B. $1$ racemic and $2$ enantiomers
• C. $2$ enantiomers and $2$ mesomers
• D. $2$ identical mesomers

Answer 1

The correct option is D $2$ identical mesomers

Bromination of alkene takes place by anti-addition.

Mirror images of mesoform are identical.
Hence, option (b) is correct.