MCQ
Which of the following is a buffer
- A$NaOH + C{H_3}COONa$
- B$NaOH + N{a_2}S{O_4}$
- C$K_2SO_4 + H_2SO_4$
- ✓$N{H_4}OH + C{H_3}COON{H_4}$
✓
Answer
Correct option: D.
$N{H_4}OH + C{H_3}COON{H_4}$
(d) Buffer is mixture of weak base and its acid salt.
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