ElectrochemistryEasy

Question

The correct order of equivalent conductance at infinte dilution of LiCl, NaCl is :

Options

A.LiCL > NaCl > KCl
B.KCl > NaCl > LiCl
C.NaCl > KCl > LiCl
D.LiCl > KCl > NaCl

Solution

Ionic mobiliries depends upon size of ion. The ionic size in case of hydrated cation is K+(aq.) > Na+(aq.) > Li+(aq.).Smaller is ion more is hydration and larger is size of hydrated ion.

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