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Liquid-Vapour Equillibrium

Ideal solutio...

Question

Ideal solutions doesn't obey Roult's law.

A

True

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B

False

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Solution

The correct option is B False
Ideal solutions obey Raoult's law. Raoult's law states that the partial vapour pressure of each component an Ideal solution is equal to the vapour pressure of the pure component at that temperature multiplied by its mole fraction.

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Q. Ideal solutions obey __________ law and they _________ form azeotropic mixtures.

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Q. Assertion :Raoults law is not applicable for concentrated solutions. Reason: Raoults law is applicable only for solutions which under go association and dissociation.

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Q. CASE 1: Read the passage given below and answer the following question

The solution which obeys Raoult’s law over the entire range of concentration are known as ideal solutions. The solution which does not obey Raoults law over the entire range of concentration, then it is called non-ideal solution. The vapour pressure of such as a solution is either higher or lower than that predicted by Raoult’s law. If it is higher, the solution exhibits positive deviation and if it is lower, it exhibits negative deviation from Raoult’s law.
Some liquids on mixing, form azeotropes which are binary mixture having the same composition in liquid and vapour phase. There are two types of azeotropes. Minimum boiling azeotropes and maximum boiling azeotropes.

Correct statement(s) about azeotropes is/are:
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