In an alkaline medium, glycine predominantly exists in a
Options
(a) cation
(b) anion
(c) zwitter ion
(d) covalent form
Correct Answer:
anion
Explanation:
In alkaline medium (high pH) amino acids exists as negatively charged particles (carboxyl group donates protons). H₂N – CH₂ – COOH → H₂N – CH₂ – COO⁻.