The system that forms maximum boiling azeotrope is :

acetone-chloroform

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ethanol- acetone

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n-hexane- n- heptane

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carbon disulphide - acetone

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Solution

The correct option is D acetone-chloroform

A mixture of chloroform and acetone forms a solution with negative deviation from Raoult’s law. This is because chloroform molecule is able to form hydrogen bond with acetone molecule as shown.
This decreases the escaping tendency of molecules for each component and consequently the vapour pressure decreases resulting in negative deviation from Raoult’s law.
The solutions that show large negative deviation from Raoult’s law form maximum boiling azeotrope at a specific composition

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Question 25
On the basis of information given below mark the correct option. Information On adding acetone to methanol some of the hydrogen bonds between methanol molecules break.
(a) At specific composition methanol-acetone mixture will form minimum boiling azeotrope and will show positive deviation from Raoult's law
(b) At specific composition methanol-acetone mixture will form maximum boiling azeotrope and will show positive deviation from Raoult's law
(c) At specific composition methanol-acetone mixture will form minimum boiling azeotrope and will show negative deviation from Raoult's law
(d) At specific composition methanol-acetone mixture will form maximum boiling azeotrope and will show negative deviation from Raoult's law

Q. 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

Q. The mixture that forms maximum boiling azeotrope is:

Q. What type of deviation is shown by a mixture of ethanol and acetone? What type of azeotrope is formed by mixing ethanol and acetone?

Q. The mixture that forms a maximum boiling azeotrope is:

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