MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryMetallurgyPrevious Year Questions

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu2O with (JIPMER 2018)

A.FeS

B.CO

C.Cu2S✓ Correct

D.SO2

Explanation

In the extraction of copper from the sulphide ore, the metal is formed by the reduction of Cu2O with Cu2S. This reaction completes with the process of auto- reduction. Chemical reaction occurring in this reaction is as follows 2 2 2 2 2Cu S 3O 2Cu O 2SO ->

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