Solution
The mixtures showing positive and negative deviations are as follows:-
- Mixtures showing positive deviation is mixture of ethanol and acetone.
The reason behind this is :- in this case the solute and solvent interactions are weaker than the solute-solute and solvent-solvent interactions.
- Mixtures showing negative deviation is mixture of chloroform and acetone.
The reason behind this is :- In this case the solute and solvent interactions are stronger than that of the solute – solute interactions or the solvent – solvent interactions .
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