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Azeotropic Mixtures

Some liquids ...

Question

Some liquids on mixing form 'azeotropes'. What are 'azeotropes'?

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Solution

Azeotropes are mixtures of two liquids which boil at a constant temperature and can be distilled unchanged in their composition. These are formed by non ideal solutions. Examples of azeoropes include
$H N O_{3} + H_{2} O$
$H C l + H_{2} O$
$C_{2} H_{5} O H + C C l_{4}$
$C H C l_{3} + C H_{3} C O O C H_{3}$

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Q. A solution made up of mixing two liquids A and B forms an azeotropic mixture at a given composition. Given that pure liquid A boils at lower temperature than pure liquid B, then on fractional distillation of the azeotropic mixture:

Q. If two liquids A and B form minimum boiling azeotrope at some specific composition then :

Q. What are azeotropes

Q. If two liquids A and B form a minimum boiling azeotrope at some specific composition then:

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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Azeotropic Mixtures

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