$A$ solution of $MgCl_2$ in water has $pH$:

Which of the following salts when dissolved in water will get hydrolysed?

Which one of the following salts gives an acidic solution in water?

The $pK_a$ of a weak acid,$HA,$ is $4.80.$ The $pK_b$ of a weak base,$BOH,$ is $4.78.$ The $pH$ of an aqueous solution of the corresponding salt,$BA,$ will be

An aqueous solution of sodium carbonate has a $pH$ greater than $7$ because

If $0.1 \, M \, CH_3COONa$ undergoes $1 \%$ hydrolysis,then the values of $K_h$,$K_a$ of the acid,and the concentration of $CH_3COOH$ are respectively: