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JAMB Chemistry 2003 Question 20

Question 20

Solubility and Solutions

A change in the temperature of a saturated solution disturbs the equilibrium between the

  1. A.dissolved solute and the solvent
  2. B.solvent and the undissolved solute
  3. C.dissolved solute and the undissolved solute
  4. D.dissolved solute and the solution.
Show the answer and explanation

Answer: C (dissolved solute and the undissolved solute)

Explanation

In a saturated solution, undissolved solid is in dynamic equilibrium with dissolved solute; changing temperature changes solubility and shifts this balance.