BRAINCAKERecrystallisation
Recrystallisation is the standard way to purify an impure organic solid. It works because the product and the impurities have different solubilities in the chosen solvent.
A suitable solvent dissolves the product well when hot but poorly when cold. Impurities should either be insoluble in the hot solvent or stay dissolved when it cools.
The steps are:
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All 11 lessons in Organic Synthesis · All Edexcel A-level Chemistry topics