What is the actual reducing agent of hematite in blast furnace?

C O

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C O_{2}

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O_{2}

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None of these

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Solution

The correct option is A $C O$
Reduction of hematite in blast furnace
$4 F e O + O_{2} \to 2 {F e}_{2} O_{3}$
${F e}_{2} O_{3} + C O \to 2 {F e}_{3} O_{4} + {C O}_{2}$
${F e}_{2} O_{3} + C O \to F e O + {C O}_{2}$
$F e O + C O \to F e + {C O}_{2}$
First calcination and roasting, the ferrous oxide is oxidised to ferric oxide. Then in blast furnace, smelting is done, where it is reduced to get iron.Carbon monoxide is the actual reducing agent of hematite in blast furnace.

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Which of the following act as a reducing agent in the reduction zone of blast furnace during the extraction of iron from hematite?

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