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The ionic mobility of alkali metal ions ...

The ionic mobility of alkali metal ions in aqueous solution is maximum for:

A

`K^(+)`

B

`Rb^(+)`

C

`Li^(+)`

D

`Na^(+)`

Text Solution

Verified by Experts

The correct Answer is:
B
The hydrated ion size is:
`Li_((aq.))^(+)gtNa_((aq.))^(+)gtK_((aq.))^(+)gtRb_((aq.))^(+)`
Large size of ion, lesser is its conductance.
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