Which functional groups can act as acids?
A)amine and sulfhydryl
B)carbonyl and carboxyl
C)carboxyl and phosphate
D)hydroxyl and aldehyde
E)ketone and amino

Question

Quizplus · Accepted Answer

Carboxyl and phosphate groups can act as acids, donating protons (H+) to the surrounding solution. The amino group, not amine, can act as a base, accepting protons. The carbonyl, sulfhydryl, hydroxyl, aldehyde, and ketone groups do not have acidic properties.

Which Functional Groups Can Act as Acids