Question Detail
Question
Which one of the following compounds form zwitterions?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Amino acids form zwitterions because they contain both acidic (COOH) and basic (NH2) groups that can ionize intramolecularly. Carbonyl compounds, phenols, and heterocyclic compounds generally do not form zwitterions.
Hint
Which compound class forms zwitterions?