$K=\frac{(2 \alpha)^{2}}{(1-\alpha)^{2}}$
$\sqrt{\mathrm{K}}=\frac{2 \alpha}{1-\alpha}$
$\alpha=\frac{\sqrt{\mathrm{K}}}{2+\sqrt{\mathrm{K}}}=\frac{\sqrt{2}}{2+\sqrt{2}}=\frac{1}{1+\sqrt{2}}$
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$\begin{array} {|l|p{0.6\linewidth}|} \hline List\,\,I\,\,Equations & List\,\,II\,\,Type\,\,of\,\,processes \\ \hline A. K_p > Q & (i)\,\,Non-\,\,spontaneous \\ \hline B.\, \Delta G^o < RT ln Q & (ii)\,\,Equilibrium \\ \hline C. K_p=Q & (iii)\,\,Spontaneous\,\,and\,\,endothermic \\ \hline D. T > \frac{\Delta H}{\Delta S} & (iv)\,\,Spontaneous \\ \hline \end{array}$
$(a)$ $O_2^ - ,{O_2}$ $(b)$ ${N_2},N_2^ +$ $(c)$ $NO^+, NO^-$
