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For a binary ideal liquid solution, the ...

For a binary ideal liquid solution, the variation total vapour pressure versus composition of solution is given by which of the curves?

A

B

C

D

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The correct Answer is:
A, D
Depending on the vapour pressure of the pure component 1 and 2 total vapour pressure over the solution decreases or increases with the increase of the mole fraction of component 1.
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