Which Functional Groups Can Act as Acids

Question

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

Accepted Answer

Carboxyl and phosphate functional groups can both act as acids. They have the ability to donate hydrogen ions (H+) to a solution.