explain the term ideal and non ideal solutions in the light of forces of interaction operating between molecules in liquid solution
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Answer:
△mixH = 0, △mix V= 0
A—B interactions.-- A—A interactions and B—B interactions.
Non-ideal solutions: When a solution does not obey Raoult's law over the entire range of concentration, it is called non-ideal solution.
Positive deviations: Vapour pressure of such solutions shows higher value than the predicted value.
△mixH = +ve △mixV = +ve
A—B interactions <A—A and B—B interactions.
Negative deviation: Vapour pressure of such solutions shows lower value than expected.
△mixH = —ve △mixV = —ve
A—B interactions > A—A and B—B interactions.
Explanation: happy now
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