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For an ideal binary liquid solutions wit...

For an ideal binary liquid solutions with `P_(A)^(@)gtP_(B)^(@)`, which relation between `X_(A)` (mole fraction of `A` in liquid phase) and `Y_(A)` (mole fraction of `A` in vapour phase) is correct:

A

`X_(A)=Y_(A)`

B

`X_(A)gtY_(A)`

C

`X_(A)ltY_(A)`

D

`(X_(A))/(X_(B))lt(Y_(A))/(Y_(B))`

Text Solution

Verified by Experts

The correct Answer is:
D
`P'_(A)=P_(A)^(@).X_(A)=P_(M).Y_(A)`
`P'_(B)=P_(B)^(@).X_(B)=P_(M).Y_(B)`
`:. (P_(A)^(@))/(P_(B)^(@))/(X_(A))/(X_(B))=(Y_(A))/(Y_(B))`
`:. (X_(A))/(X_(B))lt(Y_(A))/(Y_(B)) ( :' (P_(A)^(@))/(P_(B)^(@)) gt 1)`
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