Q. In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:
A) Carbon monoxide (CO)
B) Copper(I) sulphide (Cu₂S)
C) Sulphur dioxide (SO₂)
D) Iron sulphide (FeS)
Explanation
[Solution from source] In the Bessemer converter, part of Cu₂S is oxidised to Cu₂O, which then reacts with remaining Cu₂S (self-reduction): 2Cu₂O + Cu₂S → 6Cu + SO₂. SO₂ is a product, not the reducing agent, and CO is not used for copper from sulphide ores. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.