In the extraction of Cu, the reaction takes place in bessemer converter is:
A
2Cu2O+Cu2S→6Cu+SO2
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B
2CuFeS2+O2→Cu2S+FeS+SO2
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C
2Cu2S+3O2→2Cu2O+2SO2
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D
2FeS+3O2→2FeO+2SO2
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Solution
The correct options are A2Cu2O+Cu2S→6Cu+SO2 C2Cu2S+3O2→2Cu2O+2SO2 The sulphide ore of copper is heated in the air until a part is converted to oxide and then further heating in the absence of air to let the oxide react with unchanged sulphide.
Self-reduction of CuS to Cu can be carried out in either Bessemer converter or Pierce-Smith converter.