$N{H}_{4}CN$ is a salt of weak acid $HCN(ka=4.9\times {10}^{-10})$ and weak base $N{H}_{4}OH(K_b=1.8\times {10}^{-5})$

Correct statement(s) about aqueous solution of $N{H}_{4}CN$ is/are

Aqueous solution is acidic

Aqueous solution is basic because $K_b$ of $N{H}_{4}OH$ is more than that of $Ka$ of HCN

P^H of the solution is independent on concentration of salt solution 

Both Cationic and Anionic Hydrolysis possible