1.

Lowering of vapour pressure is highest for

Answer»

UREA
0.1 M glucose
`0.1 M MgSO_(4)`
`0.1 M BaCl_(2)`

SOLUTION :`(P^(@)-P_(s))/(P^(@))` = molality `XX(1-alpha + x alpha + y alpha)` the VALUE of `P^(@)-P_(s)` is MAXIMUM for `BaCl_(2)`.


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