Prashnikaप्रश्निका
‹ Back to the paper

Answer the following.

Two students took the solution of same amino acid at different pH and applied potential difference…

Chemistry20251.5 marksShort answer
Two students took the solution of same amino acid at different pH and applied potential difference to their solutions respectively. (i) What do you think which student will observe a potential difference zero and why? (ii) What would you do in order to get a positive observation?
Figure for this question

Answer

Answer

Official answer key
(i) Student B will observe zero potential difference as it forms zwitter ion and it does not migrate under the influence of applied electric field. (ii) Will change the pH of the solution.
Proteins

From ISC 2025 Practice Chemistry, question 70(a).