MCQ
Which of the following compounds does give $N_2$ on heating?
- A$NH_4NO_2$
- B$NH_4NO_3$
- C$NaN_3$
- ✓Both $(A)$ and $(C)$
$(B)$ $\mathrm{NH}_{4} \mathrm{NO}_{3} \stackrel{\Delta}{\longrightarrow} \mathrm{N}_{2} \mathrm{O}+2 \mathrm{H}_{2} \mathrm{O}$
$(C)$ $2 \mathrm{NaN}_{3} \stackrel{\Delta}{\longrightarrow} 3 \mathrm{N}_{2}+2 \mathrm{Na}$
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$\mathrm{C}_{3} \mathrm{H}_{6} \stackrel{\mathrm{H}^{+} / \mathrm{H}_{2} \mathrm{O}}{\longrightarrow} A\xrightarrow[dil.\,KOH]{KIO} B+C$
The compounds $B$ and $C$ respectively are :
$(A)$ the reaction of $Al _2 O _3$ with coke ($C$) at a temperature $>2500^{\circ} C$.
$(B)$ the neutralization of aluminate solution by passing $CO _2$ gas to precipitate hydrated alumina $\left( Al _2 O _3 .3 H _2 O \right)$
$(C)$ the dissolution of $Al _2 O _3$ in hot aqueous $NaOH$.
$(D)$ the electrolysis of $Al _2 O _3$ mixed with $Na _3 AlF _6$ to give $Al$ and $CO _2$.
$R - C \equiv N\xrightarrow[{(2)\,{H_2}O}]{{(1)\,AlH\,{{(i - Bu)}_2}}}$ ?