Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The vapour pressure of a pure liquid 
is 70 torr at 300 
. It forms an ideal solution with another liquid 
. The mole fraction of 
is 0.2 and total vapour pressure of the solution is 84 torr at the same temperature. The vapour pressure of pure liquid 
(in torr) is
Text Solution
Verified by ExpertsThe correct answer is:
A
From Raoult's Law;
We have, 
torr
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