An example for a neutral buffer is :

Options

A. ammonium hydroxide and ammonium chloride
B. acetic acid and sodium acetate
C. acetic acid and ammonium hydroxide
D. citric acid and sodium citrate

Answer

C

Explanation

`underset("Weak acid" K_(a))(CH_(3)COOH) + underset("Weak base,"K_(b))(NH_(4)OH) rarr underset("Neutral")(CH_(3)COONH_(4)) + H_(2)O`. Here, `K_(a) = K_(b)` i.e., solution will be neutral in nature.