Correct Answer - D
`Ch_(3)-underset(NH_(2))underset(|)CH-CH_(3)overset(HNO_(2))toCH_(3)-underset((A))underset(OH)underset(|)CH-CH_(3)`
`overset([o])toCH_(3)-underset((B))underset(O)underset(||)C-Ch_(3)underset((ii)H^(+)//H_(2)O)overset((i)CH_(3)Mgl)tounderset("1,1-dimethylethanol")((CH_(3))_(3)COH)`