NEET | 2017Ionic EquilibriumHard
Question
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field ?
Options
A.
K
B.
Rb
C.
Li
D.
Na
Solution
Ionic mobility
Smaller size hydrated ion in aq. soln - Rb+(aq)
Larger size hydrated ion in aq. soln - Li+(aq)
Lowest ionic mobility in aq. soln Li+(aq) due to high
hydration
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