JEE Advanced2010ChemistryGeneral Principles and Processes of Isolation of MetalsActual
Paragraph: Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper include chalcanthite ( CuSO ₄ 5 H ₂ O ) , atacamite ( Cu ₂ Cl ( OH )₃ ) , cuprite ( Cu ₂ O ) , copper glance ( Cu ₂ ~S ) and malachite ( Cu ₂( OH )₂ CO ₃ ) . However, 80 % of the world copper production comes from the ore chalcopyrite ( CuFeS ₂ ) . The extraction of copper from chal
Options
- AFeO
- BFeS
- CFe ₂ O ₃
- DFeSiO ₃
Correct answer
D. FeSiO ₃
Step-by-step solution
Iron is removed in the form of slag of FeSiO ₃