Chemistry - Chemical Equilibrium Question with Solution | TestHub

For the reaction,${\mathrm{N}}_2{\mathrm{O}}_4\left(\mathrm{g}\right)\rightleftharpoons 2\mathrm{N}{\mathrm{O}}_2\left(\mathrm{g}\right)$the degree of dissociation at equilibrium is 0.4 at a pressure of 1 atm. The value of${\mathrm{K}}_{\mathrm{p}}$is