In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with:

{S O}_{2}

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{F e}_{2} {S O}_{3}

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{C u}_{2} O

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C O

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Solution

The correct option is D ${C u}_{2} O$
In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with ${C u}_{2} O$

$2 C u_{2} O + {C u}_{2} S \to 6 C u + S O_{2}$

It is an example of auto reduction. ${C u}_{2} O$ is reduced to copper metal.

Hence, the correct option is $C$

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