Explanation:
NO, a solute cannot crystallize from an unsaturated solution without changing the solution temperature.
An unsaturated solution means it can dissolve more solute. This, therefore, means the solute can not begin to form crystals in the solution which only occurs in saturated solutions.
When a solution is saturated, it means it cannot dissolve more solute at that given temperature. It may be able to dissolve more when the temperature is raised. This is because raising the temperature increases intermolecular spaces between molecules of the solvent whereby more solute molecules can occupy.
When a saturated solution begins to cool, the solute begins to precipitate. This is because the intermolecular spaces between molecules of the solvent reduce and less solute can be accommodated. In the presence of a seed crystal in the solution, the precipitating solute grows the seed crystal forming a bigger crystal.
Learn More:
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