The $pH$ of $0.1 \, M$ aqueous solutions of $NaCl$,$CH_3COONa$ and $NH_4Cl$ will follow the order:

Which of the following aqueous salt solutions has the least $pH$ value?

Calculate the percentage hydrolysis of $NaOCN$ in its $0.003 \ M$ aqueous solution ($K_a$ for $HOCN = 3.33 \times 10^{-4} \ M$) .....$\%$

Which of the following salts on dissolution in water gives $pH$ less than $7$ at $298 \ K$?

The percentage degree of hydrolysis of a salt of weak acid $(HA)$ and weak base $(BOH)$ in its $0.1 \ M$ solution is found to be $10 \%$. If the molarity of the solution is $0.05 \ M$,the percentage hydrolysis of the salt should be ....... $\%$.

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