306971 A mixture of 2.3g formic acid and 4.5g oxalic acid is treated with conc. \({{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\). The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

306972 \({\rm{100\;mL}}\,{\rm{of}}\,\,{\rm{P}}{{\rm{H}}_{\rm{3}}}\) on heating forms \(\mathrm{P}\) and \(\mathrm{H}_{2}\), the volume change in the reaction is

306973 Uranium reacts with bromine gas to produce uranium (VI) bromide according to equation \({\rm{U + 3B}}{{\rm{r}}_{\rm{2}}} \to {\rm{UB}}{{\rm{r}}_{\rm{6}}}\). The experimental yield of uranium (IV) bromide by reacting 23.8 g uranium with 55 g bromine to give 80% yield of uranium (VI) bromide is

307037 When 30 litres of \(\mathrm{H}_{2}\) and 30 litre of \(\mathrm{N}_{2}\) are reacted \(\mathrm{NH}_{3}\) is formed and the yield is only \(50 \%\). The composition of the gaseous mixture will be :

306971 A mixture of 2.3g formic acid and 4.5g oxalic acid is treated with conc. \({{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\). The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

306972 \({\rm{100\;mL}}\,{\rm{of}}\,\,{\rm{P}}{{\rm{H}}_{\rm{3}}}\) on heating forms \(\mathrm{P}\) and \(\mathrm{H}_{2}\), the volume change in the reaction is

306973 Uranium reacts with bromine gas to produce uranium (VI) bromide according to equation \({\rm{U + 3B}}{{\rm{r}}_{\rm{2}}} \to {\rm{UB}}{{\rm{r}}_{\rm{6}}}\). The experimental yield of uranium (IV) bromide by reacting 23.8 g uranium with 55 g bromine to give 80% yield of uranium (VI) bromide is

307037 When 30 litres of \(\mathrm{H}_{2}\) and 30 litre of \(\mathrm{N}_{2}\) are reacted \(\mathrm{NH}_{3}\) is formed and the yield is only \(50 \%\). The composition of the gaseous mixture will be :

306971 A mixture of 2.3g formic acid and 4.5g oxalic acid is treated with conc. \({{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\). The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

306972 \({\rm{100\;mL}}\,{\rm{of}}\,\,{\rm{P}}{{\rm{H}}_{\rm{3}}}\) on heating forms \(\mathrm{P}\) and \(\mathrm{H}_{2}\), the volume change in the reaction is

306973 Uranium reacts with bromine gas to produce uranium (VI) bromide according to equation \({\rm{U + 3B}}{{\rm{r}}_{\rm{2}}} \to {\rm{UB}}{{\rm{r}}_{\rm{6}}}\). The experimental yield of uranium (IV) bromide by reacting 23.8 g uranium with 55 g bromine to give 80% yield of uranium (VI) bromide is

307037 When 30 litres of \(\mathrm{H}_{2}\) and 30 litre of \(\mathrm{N}_{2}\) are reacted \(\mathrm{NH}_{3}\) is formed and the yield is only \(50 \%\). The composition of the gaseous mixture will be :

306971 A mixture of 2.3g formic acid and 4.5g oxalic acid is treated with conc. \({{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\). The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

306972 \({\rm{100\;mL}}\,{\rm{of}}\,\,{\rm{P}}{{\rm{H}}_{\rm{3}}}\) on heating forms \(\mathrm{P}\) and \(\mathrm{H}_{2}\), the volume change in the reaction is

306973 Uranium reacts with bromine gas to produce uranium (VI) bromide according to equation \({\rm{U + 3B}}{{\rm{r}}_{\rm{2}}} \to {\rm{UB}}{{\rm{r}}_{\rm{6}}}\). The experimental yield of uranium (IV) bromide by reacting 23.8 g uranium with 55 g bromine to give 80% yield of uranium (VI) bromide is

307037 When 30 litres of \(\mathrm{H}_{2}\) and 30 litre of \(\mathrm{N}_{2}\) are reacted \(\mathrm{NH}_{3}\) is formed and the yield is only \(50 \%\). The composition of the gaseous mixture will be :