MCQ
Isomerism shown by
$C{H_3} - {(C{H_2})_3} - O - C{H_3}$
$C{H_3} - C{H_2} - O - C{H_2} - C{H_2} - C{H_3}$
$C{H_3} - \mathop {CH}\limits_{\mathop {|\,\,\,\,}\limits_{C{H_3}} } - O - C{H_2} - C{H_3}$ is
- APosition isomerism
- BChain isomerism
- ✓Metamerism
- DOptical isomerism

