The solution with the lowest freezing point temperature:

0.1 M M g C l_{2}

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0.1 M H C l O_{4}

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0.1 M N H_{4} O H

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0.1 M K O H

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0.1 M L i N O_{3}

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Solution

The correct option is D $0.1 M M g C l_{2}$
From the given examples,
$M g C l_{2}$ is having the highest value of Vant hoff factor, $i = 3$
$i$ is directly proportional to the decrease in the freezing point temperature; hence, $0.1 M M g C l_{2}$ is having lowest freezing point temperature.

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Similar questions

\begin{matrix} Column- I & Column- II (a) & 0.1 M A l_{2} (S O_{4})_{3} & (p) & Solution with highest boiling point (b) & 0.1 M A l P O_{4} & (q) & Van't Hoff factor is greater than 1 (c) & 0.1 M U r e a & (r) & Solution with lowest osmotic pressure (d) & 0.1 M M g C l_{2} & (s) & Solution with lowest freezing point (t) & Solution with lowest boiling point \end{matrix}

Which of the following 0.10 M aqueous solution will have the lowest freezing point.

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