Q.

In the extraction of iron from haematite in blast furnace, the reaction, Fe3O4+4CO→3Fe+4CO2 occurs in the temperature range of

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a

500K - 800K

b

900K - 1500K

c

1500K - 1800K

d

1800K - 2100K

answer is A.

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Detailed Solution

‘CO’ acts as reducing agent in lower temperature zone only. This is called zone of reduction.
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In the extraction of iron from haematite in blast furnace, the reaction, Fe3O4+4CO→3Fe+4CO2 occurs in the temperature range of