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Q. $K_{b}$ for weak base $B$ is $1.0\times 10^{- 6}$ then hydrolysis constant for the reaction

$B^{+}+H_{2}O\overset{}{\rightleftharpoons}BOH+H^{+}$ is

NTA AbhyasNTA Abhyas 2020Equilibrium

Solution:

$B^{+}+H_{2}O\rightleftharpoons BOH+H^{+}$

For hydrolysis of $B^{+}$ the hydrolysis constant can be given as

$K_{H}=\frac{K_{w}}{K_{b}}$

$=\frac{1 0^{- 14}}{1 0^{- 6}}=10^{- 8}$ .