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Extraction of Iron

Coke is used ...

Question

Coke is used as a fuel and as a ___________ in smelting iron ore in a blast furnace.

A

oxidizing agent

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B

reducing agent

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C

catalytic poison

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D

None of these

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Solution

The correct option is B reducing agent
Coke is used as a fuel and as a reducing agent in smelting iron ore in a blast furnace. Burning coke gives CO. The ferric oxide ore is reduced to iron metal with CO.
$F e_{2} O_{3} + 3 C O \to 2 F e + 3 C O_{2} F e_{2} O_{3} + 3 C \to 2 F e + 3 C O$

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C O

{C O}_{2}

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Which of the following regarding the process of smelting is correct?

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