Two liquids `HNO_3` (A) and water (B) form a maximum boiling azeotrope when mixed in the ratio of 68% and 32% respectively . It meansA. A-B interactions are stronger than A -A and B-B interactionsB. A-B interactions are weaker than A -A and B-B interactionsC. vapour pressure of solution is more than the pure componentsD. vapour pressure of solution is less since only one component vaporises .

Two liquids `HNO_3` (A) and water (B) form a maximum boiling azeotrope

1.	Two liquids `HNO_3` (A) and water (B) form a maximum boiling azeotrope when mixed in the ratio of 68% and 32% respectively . It meansA. A-B interactions are stronger than A -A and B-B interactionsB. A-B interactions are weaker than A -A and B-B interactionsC. vapour pressure of solution is more than the pure componentsD. vapour pressure of solution is less since only one component vaporises .
Answer» Correct Answer - 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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