How is copper extracted from its sulphide ore

Metals and Non-metals (10)

How is copper extracted from its sulphide ore ? Explain the various steps supported by chemical equations. Draw labelled diagram for the electrolytic refining of copper.

Answer

Sulphide ore of copper is heated in air

2Cu2S+3O2  → 2Cu2O +2SO2

2Cu2O+Cu2S →  6Cu + SO2

Labelled diagram of electrolytic refining of copper

Exam Year: 2018