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Which of the following alkali metal ions...

Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions?

A

`Rb^(+)`

B

`Cs^(+)`

C

`Li^(+)`

D

`Na^(+)`

Text Solution

Verified by Experts

The correct Answer is:
C
As we know that hydration power decreases on moving down the group hence among alkali metals Li has excessive hydration & hence it has low mobility in aqueous solution.
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