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JEE Advanced2007ChemistryGeneral Principles and Processes of Isolation of MetalsActual

Extraction for zinc from zinc blende is achieved by

Options

  1. Aelectrolytic reduction
  2. Broasting followed by reduction with carbon
  3. Croasting followed by reduction with another metal
  4. Droasting followed by self-reduction

Correct answer

B. roasting followed by reduction with carbon

Step-by-step solution

Zinc blende is roasted and then treated with coke for the reduction. gathered 2 ZnS +3 O ₂ 2 ZnO +2 SO ₂ ZnO + C Zn + CO gathered

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