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Q. If molality of the dilute solutions is doubled, the value of molal depression constant $\left(\right.K_{f}\left.\right)$ will be

NTA AbhyasNTA Abhyas 2022

Solution:

If molality of the dilute solution is doubled, the value of molal depression constant $\left(\right.K_{f}\left.\right)$ remains unchanged. As molal depression constant $\left(\right.K_{f}\left.\right)$ is a characteristic property of the solvent. It has nothing to do with nature of solute or its concentration.