1.

Which of the following exhibits chain isomerism?

Answer»

`CH_3CH_2NH_2`
`CH -= C - CH_2CH_3`
`CH_2CH_2CH_2OH`
`CH-= C - CH_2 CH_2CH_3`

Solution :To exhibit CHAIN isomerism organic COMPOUND MUST contain 4-carbons, but for alkyne nee five carbons
`CH -=C-CH_2-CH_2-CH_3 and CH-=C-UNDERSET(CH_3)underset(|)CH-CH_3`


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