Question

What do you observe when CO is passed over heated copper oxide

Answer 1

Answer: As carbon monoxide is a strong reducing agent, it will reduce copper (II) oxide to copper. It will make carbon dioxide by combining with oxygen.

Here is the reaction :         CuO + CO -------> Cu + CO₂

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Answer 2

What would you observe in the following case? When carbon monoxide is passed over heated copper oxide. Reddish metal copper is obtained, when we passed carbon monoxide over copper oxide.