A metal (P) on heating in nitrogen gas gives compound Q . Q on treatment with H 2 O gives a colourless gas which when passed through CuS O 4 solution gives a dark blue-violet coloured solution. P and Q respectively, are

Question

A metal (P) on heating in nitrogen gas gives compound Q . Q on treatment with H 2 O gives a colourless gas which when passed through CuS O 4 solution gives a dark blue-violet coloured solution. P and Q respectively, are, Na and N a 3 N, Na and NaN O 3, Mg and M g 3 N 2, Mg and Mg ( N O 3 ) 2

MARKS App · Accepted Answer

P + N 2 → nitride(Q) → H 2 O NH 3 + CuSO 4 → Blue-violet coloured sol. 3 Mg P + N 2 → Mg 3 N 2 Q → H 2 O Mg(OH) 2 + NH 3 Hence P and Q are Mg and M g 3 N 2 respectively.

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