An organic substance is fused with $\mathrm{Na}_{2} \mathrm{O}_{2}$ in order to convert phosphorus t

Question

An organic substance is fused with $\mathrm{Na}_{2} \mathrm{O}_{2}$ in order to convert phosphorus to sodium phosphate. It is then heated with nitric acid and ammonium molybdate solution. The product is\

Professor PC Thomas Classes · Answer

$\xrightarrow{\mathrm{Na}_{2} \mathrm{O}_{2}} \mathrm{Na}_{3} \mathrm{PO}_{4}$\ $\mathrm{Na}_{3} \mathrm{PO}_{4}+3 \mathrm{HNO}_{3} ightarrow \mathrm{H}_{3} \mathrm{PO}_{4}+3 \mathrm{NaNO}_{3}$\ $\mathrm{H}_{3} \mathrm{PO}_{4}+12\left(\mathrm{NH}_{4}ight)_{2} \mathrm{MoO}_{4}+21 \mathrm{HNO}_{3} ightarrow$\ $\left(\mathrm{NH}_{4}ight)_{3} \mathrm{PO}_{4} \cdot 12 \mathrm{MoO}_{3}+21 \mathrm{NH}_{4} \mathrm{NO}_{3}+12 \mathrm{H}_{2} \mathrm{O}$\ ammonium phosphomolybdate ( canary yellow precipitate) .\