Essential Chemistry for IGCSE - Chemical Reactions (Section 4 - No. 36)
What will happen to the equilibrium of the reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) if you remove some of the O₂?
Equilibrium shifts to the left.
Equilibrium shifts to the right.
Equilibrium remains unchanged.
The reaction stops.
Explanation
Removing a reactant (O₂) will shift the equilibrium to the left to replace the oxygen.
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