Which of the Following Functional Groups is the Hydroxyl Group

Question

Which of the following functional groups is the hydroxyl group?
A) -NH2
B) -PO4
C) -COOH
D) -SH
E) -OH

Accepted Answer

The hydroxyl group is a functional group that consists of an oxygen atom covalently bonded to a hydrogen atom. The hydroxyl group is often written as -OH, and it is found in a variety of organic molecules, including alcohols and sugars. Option A is the amino group, option B is the phosphate group, option C is the carboxyl group, and option D is the sulfhydryl group.