Question

Which of the following is not true for positive deviations? a) All of these c) The A - B interactions in solution are weaker than the A-A and B - B interactions. b) PA < PÅXA and PB < P°BXB d) Carbon tetrachloride and chloroform mixture is an example of positive deviations.​

Answer 1

Answer:

Ans is

The A - B interactions in solution are weaker than the A-A and B - B interactions

Explanation:

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Answer 2

The following is not true for positive deviations the $A-B$ interactions are weaker than the those between $A-A$ and $B-B$.

Explanation:

• When intermolecular attractive forces between solute-solvent $(A-B)$ molecules are weaker than those between solute-solute and solvent-solvent then solute or solvent will find it easier to escape from the solution than in pure state.
• This will increase pressure thus causing positive deviations.