A metal M does not liberate hydrogen from acids but reacts with oxygen – InterviewSolution

1.

A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black colour product. Identify M and black coloured product and also explain the reaction of M with oxygen.

Answer»

Copper is the metal which does not react with acids.
With oxygen it forms Copper Oxide.
Metal M is Copper and black colored product is Copper oxide.

2Cu+ O₂ → 2CuO

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