Lowering in vapour pressure is highest f...

Lowering in vapour pressure is highest for

A

`0.2 m urea`

B

`0.1 m glucose`

C

`0.1 m MgSO_(4)`

D

`0.1 m BaCl_(2)`

Verified by Experts

The correct Answer is:

D

`(P^(@)-P_(S))/P^(@)`=Molality `xx (1 - alpha + xalpha +yalpha)`
The value of `P^(@)-P_(S)` is maximum for `BaCl_(2)`.

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