Chemistry - Chemical Equilibrium Question with Solution | TestHub

At $-20^{\circ }\mathrm{C}$ and $1\mathrm{atm}$ pressure, a cylinder is filled with equal number of ${\mathrm{H}}_2,{\mathrm{I}}_2$ and $\mathrm{HI}$ molecules for the reaction ${\mathrm{H}}_2(\mathrm{g})+{\mathrm{I}}_2(\mathrm{g})\rightleftharpoons 2\mathrm{HI}(\mathrm{g})$, the ${\mathrm{K}}_{\mathrm{p}}$ for the process is $x\times 10^{-1}$. $\mathrm{x}=$ _____ [Given : $\mathrm{R}=0.082\mathrm{L}\mathrm{atm}{\mathrm{K}}^{-1}{\mathrm{mol}}^{-1}$]