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