Question

$Li+N_2\stackrel{\Delta }{⟶}A\stackrel{H_{2}O}{⟶}B+\left(C\right)$ gas, then the correctly matched pair for A, B and C are:

• A. $$\begin{array}{ccc}A& B& C\\ Li{N}_3& LiOH& N{H}_3\end{array}$$
• B. $$\begin{array}{ccc}A& B& C\\ Li{N}_3& LiH& N{O}_2\end{array}$$
• C. $$\begin{array}{ccc}A& B& C\\ L{i}_{3}N& LiOH& N{O}_2\end{array}$$
• D. $$\begin{array}{ccc}A& B& C\\ L{i}_{3}N& LiOH& N{H}_3\end{array}$$

Answer 1

The correct option is D $$\begin{array}{ccc}A& B& C\\ L{i}_{3}N& LiOH& N{H}_3\end{array}$$

Lithium on heating with $N_2$ gives Lithium nitride which on treating with water given lithium hydroxide and ammonia.
$Li+N_2\to L{i}_{3}N\stackrel{3H_{2}O}{⟶}\underset{B}{3LiOH}+\underset{C}{N{H}_3}$
A = Lithium Nitride