Home
Class 12
CHEMISTRY
Acetone and carbon disulphide form bina...

Acetone and carbon disulphide form binary liquid solution showing positive deviation from Raoult's law. The normal boiling point `(T_(b))` of pure acetone is less than that of pure `CS_(2)`. Pick out the incorrect statement among the following :

A

Boiling temperature of mixture is always less than boiling temperature of acetone.

B

Boiling temperature of Azeotropic mixture is always less than boiling temperature of pure `"CS"_(2)`

C

When a small amount of `"CS"_(2)`(less volatile component) is added to excess of acetone boiling point of resulting mixture increases.

D

A mixture of `"CS"_(2)" and " "CH"_(3)"COCH"_(3)` can be completely seperated by simple fractional distillation.

Text Solution

Verified by Experts

The correct Answer is:
A,C,D

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The liquid pair of acetone-chloroform shows a positive deviation form Raoult's law.

Two liquids X and Y when mixed form a solutions which shows significant positive deviation from Raoult's law. Also, it is known that normal boiling point of X is more than that of Y. Identify the incorrect option(s) :

A binary solution of liquids A and B will show positive deviation from Raoult's law if it fulfils the following condition:

Why a mixture of carbon disulphide and acetone shows positive deviation from Raoult's law ? What type of azeotrope is formed by this mixture?

Binary liquid mixtures which exhibit positive deviations from Raoult’s law boil at ..... temperature than the expected b.pt -

Assertion:The solutions which show large positive deviations from Raoult's law form maximum boiling azeotropes. Reason : 95% aqueous solution of ethanol is maximum boiling azeotrope

The solution which boil at constant temperature like a pure liquid and possess same composition in liquid as well as vapour state are called azeotropes. The components of azetropes cannot be separated by fractional distillation. Only non-ideal solutions form azeotropes. Solutions with negative deviation form maximum boiling azeotrope and the solutions with positive deviation form minimum boiling azeotrope. The boiling point of an azeotrope is never equal to the boiling points of any of the components of the azeotrope. Answer the following question: The azeotropic solutions of two miscible liquids

The solution which boil at constant temperature like a pure liquid and possess same composition in liquid as well as vapour state are called azeotropes. The components of azetropes cannot be separated by fractional distillation. Only non-ideal solutions form azeotropes. Solutions with negative deviation form maximum boiling azeotrope and the solutions with positive deviation form minimum boiling azeotrope. The boiling point of an azeotrope is never equal to the boiling points of any of the components of the azeotrope. Answer the following question: The azeotropic solutions of two miscible liquids 100 mL of liquid A and 50 mL of liquid B are mixed to form 138 mL solution. It is