During extraction of iron from its oxides, in blast furnace reduction of iron oxides takes place at different temperature ranges. Which of the following reaction doesn't occur at the temperature range of $500 - 800 K$ .

3 F e_{2} O_{3} + C O \to 2 F e_{3} O_{4} + C O_{2}

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F e O + C O \to F e + C O_{2}

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F e_{3} O_{4} + 4 C O \to 3 F e + 4 C O_{2}

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F e_{2} O_{3} + C O \to 2 F e O + C O_{2}

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Solution

The correct option is B $F e O + C O \to F e + C O_{2}$
In blast furnace at the temperature range of $500 - 800 K$ , following reactions occur.
$3 F e_{2} O_{3} + C O \to 2 F e_{3} O_{4} + C O_{2}$
$F e_{3} O_{4} + 4 C O \to 3 F e + 4 C O_{2}$
$F e_{2} O_{3} + C O \to 2 F e O + C O_{2}$

In blast furnace at the temperature range of $900 - 1500 K$ , following reactions occur.
$F e O + C O \to F e + C O_{2}$

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Write down the reactions taking place in blast furnace related to the metallurgy of iron in the temperature range 500-800 K.

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