Question

Which alcohol of molecular formula $C_4{H}_{9}OH$ cannot be obtained by the reduction of carbonyl compound?

• A. $2$-methyl propan$-1-$ol
• B. $2$-methyl propan$-2-$ol
• C. Butanol
• D. Butan$-2-$ol

Answer 1

Answer: (B)

$2$-methyl propan$-2-$ol

The structures of possible alcohols having formula $C_4{H}_{9}OH$ are as:
Among these, $2$-methyl propane $-2$-ol cannot be prepared by the reduction of carbonyl compounds.