Question

A metal ‘M’ reacts with N₂ to give a compound ‘A’ (M₃N). ‘A’ on heating at high temperature gives back ‘M’ and ‘A’; on reacting with H₂O gives a gas B. ‘B’ turns CuSO₄ solution blue on passing through it. M and B can be
(a) Al and NH₃
(b) Li and NH₃
(c) Na and NH₃
(d) Mg and NH₃

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (D)

That's it..