Essential Chemistry for IGCSE - Chemical Reactions (Section 5 - No. 19)
Consider the reaction: 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) ΔH < 0. What happens to the equilibrium if the concentration of SO₃ is increased?
The equilibrium shifts to the left.
The equilibrium shifts to the right.
The equilibrium remains unchanged.
The reaction stops.
Explanation
Increasing the concentration of a product shifts the equilibrium to the left.
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