Question

Which of the following is a basic salt?

• A. ${\text{SnCl}}_2$
• B. $\text{NaCl}$
• C. $\text{HCl}$
• D. ${\text{CH}}_3\text{COONa}$

Answer 1

The correct option is D ${\text{CH}}_3\text{COONa}$

Basic salts are formed from the neutralisation reaction between a strong base and a weak acid.

Here, sodium acetate (${\text{CH}}_3\text{COONa}$) is a basic salt because it is formed from the reaction between sodium hydroxide which is a strong base ($\text{NaOH}$) and acetic acid (${\text{CH}}_3\text{COOH}$) which is a weak acid. The reaction involved is given below:

$\text{NaOH(aq)}+{\text{CH}}_3\text{COOH(aq)}\to {\text{CH}}_3\text{COONa(aq)}+{\text{H}}_2\text{O(aq)}$

Hydrochloric acid ($\text{HCl}$) is an acid, sodium chloride ($\text{NaCl}$) is a neutral salt and tin chloride (${\text{SnCl}}_2$) is an acidic salt.