The reactions which occur in blast furnace at 500-800 {\K} during extraction of iron from haematite are i. 3 {\Fe}_2 {\O}_3+ {\CO} \rightarrow 2 {\Fe}_3 {\O}_4+ {\CO}_2 ii. {\Fe}_2 {\O}_3+3 {\C} \rightarrow 2 {\Fe}+3 {\CO} iii. {\Fe}_3 {\O}_4+4 {\CO} \rightarrow 3 {\Fe}+4 {\CO}_2 iv. {\Fe}_2 {\O}_3+ {\CO} \rightarrow 2 {\FeO}+ {\CO}_2 [AP EAPCET 20 May 2024 Shift 1]

Correct Answer is : i, iii, iv only

Metallurgy

Section: Chemistry

Question : 14 of 16

Marks: +1, -0

The reactions which occur in blast furnace at 500−800K during extraction of iron from haematite are
i. ‌‌3Fe2O3+CO⟶2Fe3O4+CO2
ii. Fe2O3+3C⟶2‌Fe+3‌CO
iii. Fe3O4+4‌CO⟶3‌Fe+4CO2
iv. Fe2O3+CO⟶2‌FeO+CO2

[AP EAPCET 20 May 2024 Shift 1]

i, ii, iii, iv
i, ii, iii only
i, iv only
i, iii, iv only

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