Q. At intermediate pH values of about 6.0, an amino acid behaves as a dipolar ion or Zwitter ion. On decreasing and increasing the pH values, the amino acid becomes
A) Basic and acidic respectively
B) Acidic and basic respectively
C) Remains in the state of a neutral molecule
D) Loses its optical activity with the exception of glycine
Explanation
The correct answer is Option B: Acidic and basic respectively.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.