Upon treatment with `I_(2)` and aqueous `NaOH,` which of the following compounds will form iodoform ?

Options

A. `CH_3CH_2CH_2CH_2CHO`
B. `CH_3CH_2COCH_2CH_3`
C. `CH_3CH_2CH_2CH_2CH_2OH`
D. `CH_3 CH_2 CH_2 CH(OH)CH_3`

Answer

D

Explanation

The compounds with `CH_3-underset(O)underset(|)C-` group or `CH_3-underset(OH)underset(|)(CH)-` group undergo iodoform reaction and form iodoform on reaction with `I_2` and aqueous NaOH.