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Question
Which of the following does not show positive deviation from Raoult's law?
Which of the following does not show positive deviation from Raoult's law?
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Solution
The correct option is D Phenol - aniline
In case of negative deviations from Raoult's law, the intermolecular attractive forces between A-A and B-B are weaker than those between A-B and leads to decrease in vapour pressure resulting in negative deviations. An example of this type is a mixture of phenol and aniline.Hence, option A is correct.
In case of negative deviations from Raoult's law, the intermolecular attractive forces between A-A and B-B are weaker than those between A-B and leads to decrease in vapour pressure resulting in negative deviations. An example of this type is a mixture of phenol and aniline.
Hence, option A is correct.
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