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Q.
Which is having highest elevation in boiling point?
Solutions
Solution:
When nonvolatile solute is added in volatile solvent $\rightarrow$ vapour pressure of solvent decreases and $ B.P$. increases
$T _{ b _{3}}> T _{ b _{2}}> T _{ b _{1}} $
$T _{ b }=$ boiling point of solution
As vapour pressure decreases $\Rightarrow B.P.$ of solution increases
So, III have minium $V.P. =$ maximum $B.P. =$ Elevation in $B.P.$
