$K_1$ = $4.9\times $ $10^{-2}$
$2$$SO_2$ $_{(g)}$ + $O_2$$_{(g)}$ $ \rightleftharpoons $ $2SO_3$$_{(g)}$
${K_2} = \frac{1}{{{{({K_1})}^2}}} = \frac{1}{{{{(4.9 \times {{10}^{ - 2}})}^2}}}$
$ = \frac{1}{{24}} \times {10^4} = 0.0416 \times {10^4} = 416$
$Co{O_{2\left( g \right)}} + C{O_{\left( g \right)}} \rightleftharpoons Co{O_{\left( s \right)}} + C{O_{2\left( g \right)}}\,\,;\,K = 490$
તો નીચેની પ્રક્રિયા માટે સંતુલન અચળાંક .... થશે.
$C{O_{2\left( g \right)}} + {H_{2\left( g \right)}} \rightleftharpoons C{O_{\left( g \right)}} + {H_2}{O_{\left( g \right)}}$