$Ni ( OH )_{2}$નો આયનિય ગુણાકાર $2 \times 10^{-15}$ આપેલ છે.
$NaO{H_{(aq)}} \to \mathop {N{a^ + }}\limits_{0.1\,M} \left( {aq} \right) + \mathop {O{H^ - }}\limits_{0.1\,M} \left( {aq} \right)$
$Ni{(OH)_2}(s) \rightleftharpoons \mathop {N{i^{ + 2}}}\limits_{S'} \left( {aq} \right) + \mathop {2O{H^ - }}\limits_{0.1 + 2S'} \left( {aq} \right)$
Ionic product $=\left(S^{\prime}\right)\left(0.1+2 S^{\prime}\right)^{2}$
$2 \times 10^{-15}=S^{\prime}(0.1)^{2}$
$S^{\prime}=2 \times 10^{-13} M$
$\begin{array}{*{20}{c}}
{C{H_3}C{H_2}OH{\text{ }} + {\text{ }}{H_3}{O^ + }\, \to \,C{H_3}C{H_2} - {O^ + } - H\, + {H_2}O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,H\,\,\,\,\,\,}
\end{array}$
