An acidic buffer solution can be prepared by mixing solution of

Options

A. acetate and acetic acid
B. ammonium chloride and ammonium hydroxide
C. sulphuric acid and and sodium sulphate
D. sodium chloride and sodium hydroxide

Answer

A

Explanation

Acidic buffer is prepared by mixing weak acid with salt of its conjugate base. Therefore, acetic and sodium acetate can be used to prepare acidic buffer.