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BITSAT2023ChemistryGeneral Principles and Processes of Isolation of MetalsActual

The reaction that does NOT take place in a blast furnace between 900 ~K to 1500 ~K temperature range during extraction of iron is :

Options

  1. AFe ₂ O ₃+ CO 2 FeO + CO ₂
  2. BFeO + CO Fe + CO ₂
  3. CC + CO ₂ 2 CO
  4. DCaO + SiO ₂ CaSiO ₃

Correct answer

A. Fe ₂ O ₃+ CO 2 FeO + CO ₂

Step-by-step solution

At 900-1500 ~K (higher temperature range in the blast furnace) Reaction which take place are: C + CO ₂ 2 CO FeO + CO Fe + CO ₂ CaO + SiO ₂ CaSiO ₃ (Slag formation) Fe ₂ O ₃+ CO 2 FeO + CO ₂ at 500-800 ~K

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