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JAMB Chemistry 2000 Question 32

Question 32

Chemical Equilibrium

For a reaction in equilibrium, the species involved in the equilibrium constant expression are

  1. A.gaseous and solid species
  2. B.liquid and solid species
  3. C.solid and dissolved species
  4. D.gaseous and dissolved species
Show the answer and explanation

Answer: D (gaseous and dissolved species)

Explanation

Pure solids and pure liquids have constant concentrations, so only gases and dissolved species appear in the equilibrium constant expression.