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      Question

      Which reaction represents the correct method of

      extracting iron from its ore in a blast furnace?
      A Fe₂O₃ + 3C → 2Fe + 3CO Correct Answer Incorrect Answer
      B Fe₂O₃ + 3CO → 2Fe + 3CO₂ Correct Answer Incorrect Answer
      C FeO + CO₂ → Fe + CO Correct Answer Incorrect Answer
      D FeS + O₂ → Fe + SO₂ Correct Answer Incorrect Answer

      Solution

      n a blast furnace, iron(III) oxide (Fe₂O₃ ) is reduced by carbon monoxide (CO) to produce iron (Fe) and carbon dioxide (CO₂ ): Fe₂O₃  + 3CO → 2 Fe + 3CO₂ This is the main reduction reaction in the extraction of iron. CO is generated in the furnace from the combustion of coke (carbon).

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