Question:medium

The following reaction occurs in the Blast furnace where iron ore is reduced to iron metal:
\(\text{Fe}_2\text{O}_3(s) + 3\text{CO}(g) \rightleftharpoons 2\text{Fe}(l) + 3\text{CO}_2(g)\)
Using Le Chatelier's principle, predict which one of the following will not disturb the equilibrium.

Updated On: Mar 25, 2026
  • Addition of \( \text{Fe}_2\text{O}_3 \)
  • Addition of \( \text{CO}_2 \)
  • Removal of \( \text{CO} \)
  • Removal of \( \text{CO}_2 \)
Show Solution

The Correct Option is A

Solution and Explanation

The addition of Fe2O3, being a solid, will not affect the equilibrium since its concentration is not included in the equilibrium constant expression. Conversely, altering the concentration of CO2, either by addition or removal, will cause a shift in equilibrium in accordance with Le-Chatelier’s principle. Similarly, the removal of CO will disturb the equilibrium by shifting it towards the reactants.

Therefore, the correct choice is Option (1).

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