In the extraction of copper, the metal formed in the Bessemer's convertor is due to the reaction
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a
2Cu2O+Cu2S⟶6Cu+SO2
b
2Cu2O⟶4Cu+O2
c
2Cu2S+3O2⟶2Cu2O+2SO2
d
Cu2S⟶2Cu+S
answer is A.
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Detailed Solution
Sometimes the sulphide ore may be oxidised to sulphate which is then reduced to the free metal by the excess of the sulphide ore. 2Cu2S+3O2⟶2Cu2O+2SO2 Copper pyrites 2Cu2O+Cu2S⟶6Cu+SO2