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Least mobile ion is :-...

Least mobile ion is :-

A

`[Be(H_(2)O)_(n)]^(+2)`

B

`[Na(H_(2)O)_(n)]^(+)`

C

`[Mg(H_(2)O)_(n)]^(+2)`

D

`[Li(H_(2)O)_(n)]^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A
`["mobility" prop (1)/("size of hydrated ion")]`
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