Which of the following binary mixture does not show the behaviour of minimum boiling azeotropes?

Question

Canvas Classes · Accepted Answer

Strategy:
 Minimum boiling azeotropes occur when a system shows large positive deviation from Raoult's Law (weak A-B interactions). Maximum boiling azeotropes occur when there is negative deviation (strong A-B interactions).

Analysis:
- (a)  (Water + MEK): Positive deviation  Min boiling.
- (c) : Positive deviation  Min boiling.
- (d) : Positive deviation  Min boiling.
- (b)  (Phenol + Aniline): These form a strong intermolecular hydrogen bond. This leads to negative deviation and thus a Maximu

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