Out of the following, the alkene that exhibits optical isomerism is
2-methyl-2-pentene
3-methyl-2-pentene
4-methyl-1-pentene
3-methyl-1-pentene
As we learnt,
Chiral Carbon -
Those carbon on which four different groups are present.
- wherein
3 - methyl -1 - pentene shows as it has chiral C atom :