JEE Main Chemistry — Physical Chemistry previous year questions with solutions.
The differential rate law for the reaction $\mathrm{H}_2+\mathrm{I}_2 \rightarrow 2 \mathrm{HI}$ is
For the reactions, $\mathrm{C}+\mathrm{O}_2 \longrightarrow \mathrm{CO}_2 ; \Delta \mathrm{H}=-393 \mathrm{~J}$ $2 \mathrm{Zn}+\mathrm{O}_2 \longrightarrow 2 \mathrm{ZnO} ; \Delta \mathrm{H}=-412 \mathrm{~J}$