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Q. Which of the following aqueous solution will have the boiling point $102.2^{\circ} C$ ? The molal elevation constant for water is $2.2 \,K \,kg\, mol ^{-1}$.

Gujarat CETGujarat CET 2017

Solution:

$\Delta T_{b}=2.2=i \times 2.2 \times 1$
$\Rightarrow i=1$