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If P^(@) and P(s) are vapour pressure of...

If `P^(@)` and `P_(s)` are vapour pressure of solvent and its solution, respectively, `chi_(1)` and `chi_(2)` are mole fractions of solvent and solute, respectively, then

A

`P_(s)=P^(@)//chi_(2)`

B

`P^(@)-P_(s)=P^(@)chi_(2)`

C

`P_(s)=P^(@)chi_(2)`

D

`(P^(@)-P_(s))/P_(s)=chi_(1)/(chi_(1) + chi_(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
`(P^(@)-P_(S))/P^(@)` = Mole fraction of solute = `chi_(2)`
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