An orange solid (A) on heating gave a green residue (B), a colourless – InterviewSolution

1.	An orange solid (A) on heating gave a green residue (B), a colourless gas (C ) and water vapours. The dry gas (C ) when passed over heated magnesium, gave a white solid (D) which evolved a gas (E ) on reacting with water. The gas formed dense white fumes with HCl. Identify all the compounds from A to E. Give the reactions involved. The white solid (D) is :
Answer» MgO `MgSO_(4)` `MgCl_(2)` `Mg_(2)N_(3)` Solution :White SOLID is `Mg_(3)N_(2)`.

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