Which has the highest boiling point?

0.1 M N a_{2} S O_{4}

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0.1 M C_{6} H_{12} O_{6}

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0.1 M M g C l_{2}

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0.1 M A l (N O_{3})_{3}

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Solution

The correct option is C $0.1 M A l (N O_{3})_{3}$
The concentration of all the compound is same. Thus Van't Hoff factor will depend only on the ions.

$A l (N O_{3})_{3} ⟶ A l^{3 +} + 3 N O_{3}^{-}$

The value of $i$ is $4$ .

The $A l (N O_{3})_{3}$ solution forms the maximum number of ion thus it has the highest boiling point.

Hence, option D is correct.

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