Chemistry - Chemical Kinetics Question with Solution | TestHub

For the reaction $2{\mathrm{H}}_2+2\mathrm{NO}⟶{\mathrm{N}}_2+2{\mathrm{H}}_2\mathrm{O}$ the following mechanism has been proposed

(i) $2\mathrm{NO}\underset{{\mathrm{k}}_{-1}}{\stackrel{{\mathrm{k}}_1}{\rightleftharpoons }}{\mathrm{N}}_2{\mathrm{O}}_2$ (fast)

(ii) ${\mathrm{N}}_2{\mathrm{O}}_2+{\mathrm{H}}_2\stackrel{{\mathrm{k}}_2}{\to }{\mathrm{N}}_2\mathrm{O}+{\mathrm{H}}_2\mathrm{O}$ (r.d.s.)

(iii) ${\mathrm{N}}_2\mathrm{O}+{\mathrm{H}}_2⟶{\mathrm{N}}_2+{\mathrm{H}}_2\mathrm{O}$ (fast) then what will be the rate law for this reaction?