Question:
Why can azeotropic mixture not be separated by fractional distillation?
Why can azeotropic mixture not be separated by fractional distillation?
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Same liquid and vapour composition → no further separation.
Updated On: Jul 3, 2025
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Solution and Explanation
An azeotropic mixture has a constant boiling point and behaves like a single pure liquid during boiling.
At the azeotropic composition, the liquid and vapour have the same composition — so no separation by fractional distillation is possible.
At the azeotropic composition, the liquid and vapour have the same composition — so no separation by fractional distillation is possible.
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