In which of the following equations can Le-chartelier’s principle be applied?

Chemistry

NECO 2008

A. H₂(g)+S(g) → H₂(g)
B. 2H₂S(g) + O₂ (g) → 2H2O(l) + 2SO₂(g)
C. N₂(g) +3H₂(g) ⇌ 2NH₃(g)
D. NaOH(aq) +CO₂(g) → Na₂CO₃(aq) + H₂O(l)
E. S(s) + 0₂(g) → SO₂(g)

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Correct Answer: Option C

Explanation

According to Le Chatelier's Principle, this will be favored if you lower the temperature. The system will respond by moving the position of equilibrium to counteract this - in other words by producing more heat. To get as much ammonia as possible in the equilibrium mixture, you need as low a temperature as possible

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