Published by:
CGP EDU Academic Team
Published on: August 11, 2026
In the graph plotted between vapour pressure (V. P) and temperature 
A
PQ is the curve for solvent , XY is the curve of solution and 
is depression in freezing point
is depression in freezing point
B
PQ is the curve for solvent XY is the curve for solvent and 
is elevation in boiling point.
is elevation in boiling point.
C
PQ is the curve for solvent XY is the curve for solution and is molal elevation in boiling point
D
PQ is the curve for solvent XY is the curve for solution and 
is elevation in boiling point.
is elevation in boiling point.
Text Solution
Verified by ExpertsThe correct answer is:
D
PQ corresponds to increase in vapour pressure of solvent with temperature and XY, corresponds to increase in vapour pressure of solution with temperature. 
is the elevation in boiling point of a solution.
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