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AP EAMCET202420 May 2024Morning ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

The reactions which occur in blast furnace at 500-800 ~K during extraction of iron from haematite are (i) 3 Fe ₂ O ₃+ CO 2 Fe ₃ O ₄+ CO ₂ (ii) Fe ₂ O ₃+3 C 2 Fe +3 CO (iii) Fe ₃ O ₄+4 CO 3 Fe +4 CO ₂ (iv) Fe ₂ O ₃+ CO 2 FeO + CO ₂

Options

  1. A(i), (ii), (iii), (iv)
  2. B(i), (ii), (iii) only
  3. C(i), (iv) only
  4. D(i), (iii), (iv) only

Correct answer

D. (i), (iii), (iv) only

Step-by-step solution

Chemical reaction occurring in blast furnace related to the extraction of iron from haematite are:- (i) 3 Fe ₂ O ₃+ CO 2 Fe ₃ O ₄+ CO ₂ (ii) Fe ₃ O ₄+4 CO 3 Fe +4 CO ₂ (iii) Fe ₂ O ₃+ CO 2 FeO + CO ₂

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