1.

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  \[\underset{m\to 0}{\mathop{\lim }}\,\left( \frac{\Delta {{T}_{f}}}{m} \right)\] is equal to [IIT 1994; UPSEAT 2001]

A.                 Zero       
B.                 One
C.                 Three     
D.                 None of the above
Answer» E.


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