Q.

Water and ethanol form non-ideal solution with positive deviation from Raoult's law. This solution will have vapour pressure

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equal to vapour pressure of pure water

less than vapour pressure of pure water

more than vapour pressure of pure water

less than vapour pressure of pure ethanol

answer is C.

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Detailed Solution

Due to positive deviation from Raoult'slaw, ethanol and water escape easily showing higher vapour pressure than expected value.

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