On dilution,the $pH$ of $CH_3COONH_4$ solution:

Aqueous solutions of $1 \ M$ potassium acetate and $1 \ M$ potassium formate are taken in separate beakers. Which of the following relationships is correct?

Heating an aqueous solution of aluminium chloride to dryness will give

Which of the following aqueous solutions will have the highest $pH$?

The hydrolysis constant $(K_h)$ for a salt of a weak acid and a weak base is given by:

Calculate the degree of hydrolysis of a salt formed from $0.1 \ N$ $NH_4OH$ and $0.1 \ N$ $HCN$. Given $K_a = 10^{-5}$ and $K_b = 10^{-5}$.