Question

(a) When the liquids A and B are mixed the solution becomes warm. Which type of deviation from Raoult’s law is exhibited?
(b) Draw the vapour pressure graph showing positive deviation.

Answer 1

Explanation:

(a)On mixing A and B, the solution becomes warm. This means heat released in formation of new bonds between A and B molecules is more than the heat absorbed for the breaking of molecules of A and B. Therefore, the vapour pressure of the solution is reduced and thus the mixture shows negative deviation from Roult's law

(b) I dont know sorry

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