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COMEDK2018ChemistryGeneral Principles and Processes of Isolation of Metals

Which of the following reaction taking place in the blast furnace is endothermic?

Options

  1. ACaCO ₃ CaO + CO ₂
  2. B2 C + O ₂ 2 CO
  3. CC + O ₂ CO ₂
  4. DFe ₂ O ₃+3 CO 2 Fe +3 CO ₂

Correct answer

A. CaCO ₃ CaO + CO ₂

Step-by-step solution

Decomposition of calcium carbonate to form calcium oxide and carbondioxide is endothermic reaction. CaCO ₃ CaO + CO ₂

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