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Non-Ideal Solutions

Which of the ...

Question

Which of the following liquid pairs shows a positive deviation from Raoult's law?

A

Water - hydrochloric acid

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B

Benzene - methanol

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C

Water - nitric acid

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D

Acetone - chloroform

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Solution

The correct option is B Benzene - methanol
Benzene - methanol shows a positive deviation from Raoult's law. For such liquid pairs, total vapour pressure is more than that expected according to Raoult's law. New interactions are weaker than interactions in the pure components.

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Which of the following liquid pairs shows a positive deviation from Raoults law?

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Q. Which of the following will show a negative deviation from raoults law?
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Question 07
Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult's law?
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