Question

What happens when hydrogen gas is passed over hot copper(2)oxide

Answer 1

Search ResultsThe reaction is as follows.It is a combination reaction. If hydrogen gas is passed over heated copper oxide (CuO), the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained. ... As during this reaction the copper(II) oxide is losing oxygen and is being reduced

Answer 2

Answer:

When hydrogen gas is passed over heated copper oxide, then the black copper oxide is reduced and brown copper metal is obtained.

CuO + H2 → Cu + H2O

Explanation:

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