Ionic Equilibrium — Medium JEE chemistry MCQ
**[JEE Mains 2026]** Which of the following is a basic buffer?
- A. CH₃COOH + CH₃COONa
- B. NH₄OH + NH₄Cl
- C. HCl + NaCl
- D. NaOH + NaCl
Solution
A basic buffer consists of a weak base and its salt with a strong acid.
NH₄OH (weak base) + NH₄Cl (salt of weak base with strong acid HCl) forms a basic buffer.
Option A. is an acidic buffer. Options C. and D. are not buffer solutions.