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JEE Advanced2016ChemistryGeneral Principles and Processes of Isolation of MetalsActual

Extraction of copper from copper pyrite C u F e S 2 involves

Options

  1. ACrushing followed by concentration of the ore by froth-flotation
  2. BRemoval of iron as slag
  3. CSelf-reduction step to produce 'blister copper' following evolution of S O 2
  4. DRefining of 'blister copper' by carbon reduction

Correct answer

A. Crushing followed by concentration of the ore by froth-flotation

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