Among the reactions a - d , the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are a CaO + SiO 2 → CaSiO 3 b 3 Fe 2 O 3 + CO → 2 Fe 3 O 4 + CO 2 c FeO + SiO 2 → FeSiO 3 d FeO → Fe + 1 2 O 2

Question

Among the reactions a - d , the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are a CaO + SiO 2 → CaSiO 3 b 3 Fe 2 O 3 + CO → 2 Fe 3 O 4 + CO 2 c FeO + SiO 2 → FeSiO 3 d FeO → Fe + 1 2 O 2, c and d, a and d, a, d

MARKS App · Accepted Answer

CaO + Si O 2 → CaSi O 3 3F e 2 O 3 + CO → 2F e 3 O 4 + C O 2 Used as flux. Reduction is done by CO. Hence these two reactions are possible butthe reactions given below are not possible FeO → Fe + 1 2 O 2 FeO + Si O 2 → FeSi O 3

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