Analyze the sequence of reduction reactions occurring in the upper, cooler zone () of the Iron Blast Furnace. Which of the following represents the correct thermodynamic sequence of intermediate iron

Question

Analyze the sequence of reduction reactions occurring in the upper, cooler zone ($500 K - 800 K$) of the Iron Blast Furnace. Which of the following represents the correct thermodynamic sequence of intermediate iron oxides formed as Haematite ($Fe_2O_3$) descends?

Prashant Kotian · Accepted Answer

Correct answer: C. As Haematite descends and encounters rising gas, it is reduced stepwise to progressively lower oxidation states: . Then, . Finally, .

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