Solutions and Colligative Properties 2 Question 38

38. Given that $\Delta T_{f}$ is the depression in freezing point of the solvent in a solution of a non-volatile solute of molality, $m$, the quantity $\lim {m \rightarrow 0}\left(\Delta T{f} / m\right)$ is equal to ……

(1994, 1M)

Integer Answer Type Question

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Solution:

  1. $\lim {m \rightarrow 0}\left(\frac{\Delta T{f}}{m}\right)=K_{f}$ (Cryoscopic constant)