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JAMB Chemistry 2002 Question 6

Question 6

Chemical Equilibrium

In the reaction E + F ⇌ G + H, the backward reaction is favoured if the concentration of

  1. A.F is increased
  2. B.E is increased
  3. C.E is reduced
  4. D.G is reduced.
Show the answer and explanation

Answer: C (E is reduced)

Explanation

Removing a reactant (E) makes the equilibrium shift to the left to replace it, so the backward reaction is favoured.