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Acidic Buffer Action

Buffer soluti...

Question

Buffer solution can be obtained by mixing aqueous solution of _______.

A

Sodium acetate and excess of HCl

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B

Sodium acetate and acetic acid

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C

Sodium chloride and HCl

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D

Acetic acid and excess of NaOH

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Solution

The correct option is C Sodium acetate and acetic acid
A mixture of acetic acid (a weak acid) and sodium acetate ( its salt with strong base sodium hydroxide) acts as acidic buffer.
Option A, C and D does not contain weak acid/weak base and its salt thus it does not form buffer solution.

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