Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The sequence of ionic mobility in aqueous solution is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Smaller the size of cation, higher will be the hydration and its effective size will increase and hence mobility in aqueous solution will decrease. Larger size ions have more ionic mobility due to less hydration. Thus the degree of hydration of 
ions decreases from 
to 
. Consequently the radii of the hydrated ion decreases from 
to 
Hence the ionic conductance of these hydrated ions increases from 
to 
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