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  • Consider a binary mixture of benzene and toluene, which exhibits negative deviation from Raoult's Law.Option: 1 The vapour pressure of

Consider a binary mixture of benzene and toluene, which exhibits negative deviation from Raoult's Law.

Option: 1

The vapour pressure of the mixture is greater than the vapour pressure predicted by Raoult's Law.
 


Option: 2

The vapour pressure of the mixture is lower than the vapour pressure predicted by Raoult's Law.
 


Option: 3

The activity coefficient of the mixture is greater than 1.

 


Option: 4

The activity coefficient of the mixture is less than 1.


Answers (1)

best_answer

In a binary mixture that exhibits negative deviation from Raoult's Law, the intermolecular forces between the components of the mixture are stronger than the forces between the components and the solvent. This results in a lower vapour pressure of the mixture compared to the vapour pressure predicted by Raoult's Law.

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vishal kumar

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