The hydrolysis constant of $0.1 \ M$ ammonium chloride is $2.5 \times 10^{-10}$. Its degree of hydrolysis is......

When $C_6H_5NH_3^+ Cl^-$ salt is dissolved in water,it undergoes hydrolysis. Find the equilibrium constant of the hydrolysis reaction if the ionization constant of the weak base is $10^{-4}$.

If the $K_a$ for cyanoacetic acid is $3.5 \times 10^{-3}$,what is the degree of hydrolysis for a $0.05 \ M$ solution of sodium cyanoacetate?

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

The degree of hydrolysis of a salt of a weak acid and a weak base in its $0.1 \ M$ solution is found to be $50 \ \%$. If the molarity of the solution of the same salt is $0.5 \ M$,then the percentage degree of hydrolysis of the salt should be ......... $\%.$

Which of the following salts has the minimum $pH$ in an aqueous solution?