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

1. $2$ identical mesomers
2. $2$ enantiomers
3. $2$ enantiomers and $2$ mesomers
4. $1$ racemic and $2$ enantiomers

Asked in: JEE Main 2021 (01 Sep Shift 2)

Practice more Hydrocarbons questions on Aicharya