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Ideal Solutions

Solutions whi...

Question

Solutions which show positve or negative deviation from the Raoult's law are called

A

Homogeneous solutions

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B

Ideal solutions

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C

True solutions

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D

Non Ideal solutions

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Solution

The correct option is D
Non Ideal solutions

Solutions which obey the Raoult's law are called ideal solutions and those which show positive or negative deviations are called non ideal solutions.

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Q. Which of the following is true for a non-ideal solution showing negative deviation from Raoult’s law?

Q. A solution of

C H C l_{3} + C H_{3} C O C H_{3}

shows negative deviation from Raoults law.

Q. CASE1: 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.

Which of the following solutions show negative deviation from Raoult’s law?
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Q. Which one is true for solutions showing positive deviation from raoult's law?

How to find whether a given non ideal solution have positive or negative deviation?

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