Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The vapour pressures of pure liquids 
and 
are 400 and 
, respectively at 
. On mixing the two liquids, the sum of their initial volumes is equal to the volume of the final mixture. The mole fraction of liquid 
is 0.5 in the mixture. The vapour pressure of the final solution, the mole fractions of components 
and 
in vapour phase, respectively are:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Now, mole fraction of 
in vapour
and mole fraction of 
in vapour
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