1.

if the elevation in boiling point of a solution of non-volatile, non-electrolytic and non-associanting solute in solvent (K_(b) =xK.kg."mol"^(-1))is y K,then the depression in freezing point of solution of same concentration would be (K_(f) )of the sovent= zk.kg"mol"^(-1))

Answer»

`(Zxz)/Y`
`(YZ)/x`
`(XZ)/Y`
`(YZ)/(ZX)`

SOLUTION :`Y=xxxm,m=y//x`
`DeltaT_(f)=Zxxm=(Zn)/x`


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