Question

Which of the following compounds has $-OH$ as a functional group?

• A. Butanone
• B. Butanol
• C. Butanoic acid
• D. Butanal

Answer 1

The correct option is B Butanol

In Butanone, the functional group is $-C=O$.
In Butanoic acid, the functional group is $-COOH$.
In Butanal, the functional group is $-CHO$.
In Butanol, the functional group is $-OH$.