Question

Calcium imide on hydrolysis gives gas $B$ which on oxidation by bleaching powder gives gas $C$ . Gas $C$ on reaction with magnesium give compound $D$ which on hydrolysis gives again gas $B$ . Identify $B$ , $C$ and $D$ respectively.

• A. $N{H}_3,N_2,M{g}_3{N}_2$
• B. $N_2,N{H}_3,MgNH$
• C. $N_2,N_2{O}_5,Mg{\left(N{O}_3\right)}_2$
• D. $N{H}_3,N{O}_2,Mg{\left(N{O}_2\right)}_2$

Answer 1

Answer: (A)

Here $B,C$ and $D$ are $N{H}_3,N_2$ and $M{g}_3{N}_2$ respectively
$Ca(NH)+2H_{2}O\to Ca(OH{)}_2+\underset{(B)}{N{H}_3(g)}$
$\underset{(B)}{2N{H}_3}+3CaOC{l}_2\to \underset{(C)}{N_2(g)}+3CaC{l}_2+3H_{2}O$
$\underset{(C)}{N_2(g)}+3Mg\to \underset{(D)}{M{g}_3{N}_2}$
$\underset{(D)}{M{g}_3{N}_2}+6H_{2}O\to 3Mg(OH{)}_2+\underset{(B)}{2N{H}_3}$