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neet CHEMISTRYMedium

The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :

A

Fe2O3+CO→2FeO+CO2\text{Fe}_2\text{O}_3 + \text{CO} \rightarrow 2\text{FeO} + \text{CO}_2

B

FeO+CO→Fe+CO2\text{FeO} + \text{CO} \rightarrow \text{Fe} + \text{CO}_2

C

C+CO2→2CO\text{C} + \text{CO}_2 \rightarrow 2\text{CO}

D

CaO+SiO2→CaSiO3\text{CaO} + \text{SiO}_2 \rightarrow \text{CaSiO}_3

Step-by-Step Solution

In the blast furnace, the reduction of Fe2O3\text{Fe}_2\text{O}_3 to FeO\text{FeO} occurs at lower temperatures (below 900 K). The reaction Fe2O3+CO→2FeO+CO2\text{Fe}_2\text{O}_3 + \text{CO} \rightarrow 2\text{FeO} + \text{CO}_2 is characteristic of the lower temperature zone, not the 900 K to 1500 K range.

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