Multiple choice

What is the functional group of alcohols?

  1. -O

  2. -OH

  3. -CHO

  4. -COOH

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The hydroxyl group (-OH) is the defining functional group of alcohols. This group consists of an oxygen atom bonded to a hydrogen atom, which gives alcohols their characteristic properties like solubility in water and ability to form hydrogen bonds.