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Calcination

In the extrac...

Question

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of $C u_{2} O$ with:

A

F e S

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B

C O

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C

C u_{2} S

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D

S O_{2}

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Solution

The correct option is C $C u_{2} S$
$2 C u_{2} S + 3 O_{2} \to 2 C u_{2} O + 2 S O_{2}$
$2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$

This is a well known example of self-reduction by which copper is extracted.

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Q. In the extraction of copper from its sulphide ore, the metal is formed by reduction of

C u_{2} O

with__________.

Q. In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:

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

Given below is the steps for extraction of Copper from its ore. Write the reactions involved.

(a) Roasting Copper (I) Sulphide.

(b) Reduction of Copper (I) oxide with Copper (I) sulphide

Given below are the steps for extraction of copper from its ore. The balance reaction involved in reduction of copper(I) oxide with copper(I) sulphide is given in the reaction below.

2 C u_{2} O + C u_{2} S H e a t - -- \to 6 C u + S O_{2}

This reaction is known as:

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