Zwitterions are ions that contain both positive and negative charges but are overall electrically neutral. This is characteristic of many amino acids at physiological pH, where the amino group is protonated (positive charge) and the carboxyl group is deprotonated (negative charge).

Solved

Zwitterions Are

Question 12

Multiple Choice

Zwitterions are

A) amino acids.
B) ionic molecules that are racemic.
C) ions that bear both negatively and positively charged groups.
D) side chain carboxylate anions.
E) delocalized ions.

Correct Answer: