Question Detail
Question
Which of the following is correct for an amino acid solution when it is in the acidic form?
Correct Answer
Option B is the correct answer.
Detailed Explanation
When pH < pKa, the amino acid exists in its acidic form (protonated), with the amino group protonated (-NH3+) and the carboxyl group protonated (-COOH).
Hint
What form does an amino acid take when pH is below its pKa?