The $pK_a$ of a weak acid $(HA)$ and $pK_b$ of a weak base $(BOH)$ are $3.2$ and $3.4,$ respectively. The $pH$ of their salt $(AB)$ solution is

When $FeCl_3$ is dissolved in water,its solution exhibits which of the following characteristics?

$NaCl$ does not undergo hydrolysis because......

Which of the following salts will give the highest $pH$ in water?

$A$ weak acid $HX$ has the dissociation constant $1 \times 10^{-5} \ M$. It forms a salt $NaX$ on reaction with alkali. The degree of hydrolysis of $0.1 \ M$ solution of $NaX$ is......$\%$

Which of the following aqueous solutions will be most basic?