Consider the following statements
l. Isotonic solutions have the same molar concentration at a given temperature
2. The molal elevation constant K_b is a characteristic of a solvent, and is independent of the solute added
3. The freezing point of a 0.1 M aqueous KCI solution is more than that of a 0. 1 M aqueous AlCl₃ solution.
Which of these statements is correct?

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2 and 3

1, 2 and 3

1 and 3

1 and 2

answer is D.

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Detailed Solution

l. Isotonic solutions have the same molar concentration at a given temperature
2. The molal elevation constant K_b is a characteristic of a solvent, and is independent of the solute added
3. The freezing point of a 0.1 M aqueous KCI solution is more than that of a 0. 1 M aqueous AlCl₃ solution.

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