An azeotropic solution of two liquids has boiling point lower than either, then it:

Shows a negative deviation from Raoult's law

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Shows no deviation from Raoult's law

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Shows a positive deviation from Raoult's law

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Is saturated

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Solution

The correct option is C Shows a positive deviation from Raoult's law
Azeotropic mixture boils at a constant composition. The solutions with positive deviation forms low boiling azeotrope.
Hence, lower boiling point azeotrope will have higher vapor pressure than the constituent solvents.

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