Which two simple functional groups make carboxyl group?
A) Aldehyde and keto groups
B) Aldehyde and hydroxyl groups
C) Keto and hydroxyl groups
D) Ester and hydroxyl groups
E) Ester and ether groups

Question

Quizplus · Accepted Answer

A carboxyl group consists of a carbonyl group (C=O) and a hydroxyl group (OH) bonded to the same carbon atom. A ketone group (C=O) and a hydroxyl group (OH) together form a carboxyl group. Therefore, the correct answer is C) keto and hydroxyl groups.

Which Two Simple Functional Groups Make Carboxyl Group