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Two liquids HNO3 (A) and water (B) form ...

Two liquids `HNO_3` (A) and water (B) form a maximum boiling azeotrope when mixed in the ratio of 68% and 32% respectively . It means

A

A-B interactions are stronger than A -A and B-B interactions

B

A-B interactions are weaker than A -A and B-B interactions

C

vapour pressure of solution is more than the pure components

D

vapour pressure of solution is less since only one component vaporises .

Text Solution

Verified by Experts

The correct Answer is:
A
Since the new interactions (A-B) are stronger than (A-A) and (B-B) interactions , the solution shows negative deviation, i.e. less vapour pressure and hence higher boiling point .
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