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Which of the ...

Question

Which of the following compounds can be reduced to copper when heated with coke?

A

Copper sulphate

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B

Copper oxide

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C

Hydrogen chloride

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D

Ammonia

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Solution

The correct option is C Copper oxide
The metals, which are low in the reactive series, undergo reduction reaction. Their metal oxides react with carbon to reduce the metal oxide to its metal and form an oxide of carbon.
$2 C u O + C \to 2 C u + C O_{2}$

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