Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Two liquids HNO3 (A) and water (B) form a maximum boiling azeotrope when mixed in the ratio of 68 % and 32 % respectively. It means
Q. Two liquids
H
N
O
3
(
A
)
and water
(
B
)
form a maximum boiling azeotrope when mixed in the ratio of
68%
and
32%
respectively. It means
2021
231
Solutions
Report Error
A
A
−
B
interactions are stronger than
A
−
A
and
B
−
B
interactions
39%
B
A
−
B
interactions are weaker than
A
−
A
and
B
−
B
interactions
28%
C
vapour pressure of solution is more than the pure components
23%
D
vapour pressure of solution is less since only one component vaporises
9%
Solution:
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.