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easyMCQNEET 20192026CHEMISTRY
1 mark

The correct statement regarding a solution of two components A and B exhibiting positive deviation from ideal behaviour is:

  1. A
    Intermolecular attractive force between A-A and B-B are stronger than those between A-B
  2. B
    at constant T and P
  3. C
    at constant T and P
  4. D
    Intermolecular attractive forces between A-A and B-B are equal to those between A-B

Solution & Step-by-step Explanation

Getty ImagesPositive deviation occurs when the interactions are weaker than the and interactions. This makes it easier for molecules to escape into the vapor phase, resulting in a vapor pressure higher than predicted by Raoult's law. For such solutions, and .

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The correct statement regarding a solution of two components A and B exhibiting positive deviation from ideal behaviour is:
A
Intermolecular attractive force between A-A and B-B are stronger than those between A-B
B
at constant T and P
C
at constant T and P
D
Intermolecular attractive forces between A-A and B-B are equal to those between A-B

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solutionsraoult's law

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