Which of the following is a buffer - Vidyadip

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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