An aqueous solution of aluminium sulphate shows

The $pH$ of water is $7$. When a substance $Y$ is dissolved in water,the $pH$ becomes $13$. The substance $Y$ is a salt of......

The ionization constant of ammonium hydroxide at $298 \ K$ is $1.77 \times 10^{-5}$. Calculate the hydrolysis constant of ammonium chloride.

Which one of the following salts on being dissolved in water gives $pH > 7$ at $25^{\circ} C$?

The $pH$ of the solution, when
$(i)$ sodium acetate is dissolved in water.
$(ii)$ ammonium chloride is dissolved in water.

The degree of hydrolysis in hydrolytic equilibrium $A^{-} + H_2O \rightleftharpoons HA + OH^{-}$ at salt concentration of $0.001 \ M$ is $(K_a = 1 \times 10^{-5})$