Question

When copper ore is mixed with silica in a reverberatory furnace, copper matte is formed. The copper matte contains __.

• A. sulphides of Cu(II) and iron(II)
• B. sulphides of Cu(II) and iron(III)
• C. sulphides of Cu(I) and iron(II)
• D. sulphides of Cu(I) and iron(III)

Answer 1

The correct option is C

sulphides of Cu(I) and iron(II)

The roasted ore is mixed with powdered coke and sand and is heated in a blast furnace to obtain matte and slag.

$(Matte=C{u}_{2}S+FeS)$

The slag is removed as waste.