Q. Which of the following solutions cannot act as a buffer?
A) $NaH_{2}PO_{4} + H_{3}PO_{4}$
B) $CH_{3}COOH + CH_{3}COONa$
C) $HCl + NH_{4}Cl$
D) $H_{3}PO_{4} + Na_{2}HPO_{4}$
Explanation
The correct answer is Option C: $HCl + NH_{4}Cl$.
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.