D and F Block Elements

Match List - I with List - II, match the gas evolved during each reaction. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-fymr{border-color:inherit;font-weight:bold;text-align:left;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} List - I List - II (A) $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \stackrel{\Delta}{\longrightarrow}$ (I) $\mathrm{H}_{2}$ (B) $\mathrm{KMnO}_{4}+\mathrm{HCl} \rightarrow$ (II) $\mathrm{N}_{2}$ (C) $\mathrm{Al}+\mathrm{NaOH}+\mathrm{H}_{2} \mathrm{O} \rightarrow$ (III) $\mathrm{O}_{2}$ (D) $\mathrm{NaNO}_{3} \stackrel{\Delta}{\longrightarrow}$ (IV) $\mathrm{Cl}_{2}$ Choose the correct answer from the options given below :