Question

The mixture which shows positive deviation from
Raoult's law is:
(1)
Chloroethane + Bromoethane
(8
(2)
Ethanol + Acetone
(3)
Benzene + Toluene
(4)
Acetone + Chloroform​

Answer 1

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★ Your answer is (ethanol + Acetone)

For positive deviation of Raoul's Law :-

★ Total vapour pressure of the solution will be greater then the corresponding vapour pressure.

★ ∆Hmix > 0

∆Vmix>0

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