A metal (A) on heating in nitrogen gas gives compound B. On treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a dark blue-violet coloured solution. A and B respectively are:

Question

Accepted Answer

Mg and Mg3N2. When magnesium (Mg) reacts with nitrogen gas, it forms magnesium nitride (Mg3N2). Upon hydrolysis, magnesium nitride produces ammonia and hydrogen gas, the latter of which is colorless and can react with copper sulfate to form a blue solution, confirming that Mg and Mg3N2 are the correct pair.

A metal (A) on heating in nitrogen gas gives compound B. On treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a dark blue-violet coloured solution. A and B respectively are:

Solution

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