When a substance is dissolved in a solvent,the vapour pressure of the solvent is decreased. This results in:
- AAn increase in the boiling point of the solution
- B$A$ decrease in the boiling point of solvent
- CThe solution having a higher freezing point than the solvent
- DThe solution having a lower osmotic pressure than the solvent
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If an aqueous solution contains $9 \%$ and $1 \%$ $(w/w)$ of two non-volatile non-electrolytes $X$ (molecular weight $180$) and $Y$ (molecular weight $50$) respectively,the boiling point of the solution in ${ }^{\circ} C$ is approximately $(K_b = 0.52 \ K \ kg \ mol^{-1})$
DifficultAP EAMCET 2019
View SolutionWhat is the boiling point of a solution of $0.1 \ m$ $KCl$ (in $K$)? $K_{b}$ of water is $0.52 \ K \ kg \ mol^{-1}$ and $\alpha = 100 \ \%$ (boiling point of pure water is $373 \ K$).
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DifficultMHT CET 2026
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