Which of the following is a buffer solution ? - Vidyadip

MCQ

Which of the following is a buffer solution ?

A
$500\, mL$ of $0.1\, N\, CH_3COOH + 500\, mL$ of $0.1\,N\, NaOH$
B
$500\, mL$ of $0.1\, N\, CH_3COOH + 1000\, ml$ of $0.1\,N\, NaOH$
C
$500\, ml$ of $0.1\, N\, CH_3COOH + 500\, mL$ of $0.2\,N\, NaOH$
✓
$500\, mL$ of $0.2\, N\, CH_3COOH + 500\, ml$ of $0.1\,N\, NaOH$

✓

Answer

Correct option: D.

$500\, mL$ of $0.2\, N\, CH_3COOH + 500\, ml$ of $0.1\,N\, NaOH$

d
Buffer solution contains both weak acid and its salt

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