Chemistry, asked by nikkimwiks, 8 months ago

what happens when hydrogen is passed over heated copper (ii) oxide? explain

Answers

Answered by kunalboss49
3

Answer:

When hydrogen gas is passed over hot copper oxide, the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained

Explanation:

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Answered by piubratati
1

Answer:

Metallic copper and water vapour will be formed when hydrogen is passed over heated copper(II) oxide.

CuO + H2 = Cu + H2O

Hydrogen reduces cupric oxide to free metal in this reaction.

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