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Question

When acetone and chloroform are mixed, hydrogen bonding takes place between them. Such a liquid pair will cause :

A
Positive deviation from Raoult's law
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B
Negative deviation from Raoult's law
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C
No deviation from Raoult's law
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D
Cannot be predicted.
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Solution

The correct option is B Negative deviation from Raoult's law
Due to hydrogen bonding, escaping tendency of both components 'A' and 'B' is lowered showing lower vapour pressure than expected ideally.

Hence, such solution will show negative deviation from Raoult's law.

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