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A solution of chloroform and acetone is ...

A solution of chloroform and acetone is an axemple of maximum boiling azeotrope. Explain.

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The solution of chloroform and acetone has lower vapour pressure than ideal solution because of stronger interactions between chloroform and acetone molecules. As a result, total vapour pressure becomes less than the corresponding ideal solution of same composition (i.e., negative deviations). Therefore, the boiling points of solutions are increased and form maximum boiling azeotropes.
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