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in Chemistry by (45.7k points)

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.

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  • 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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