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Comment on the following observation The...

Comment on the following observation
The mobility of alkali metal ions in aqueous solution Is `Li^+ lt Na^+ lt K^+ lt Rb^+`

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A smaller ion is heavily hydrated which makes it sloe moving.Hydration varies in the order `Li^+ gt Na^+,K^+.Rb^+ gt Cs^+` and hence mobillty is in the reverse order.
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A N EXCEL PUBLICATION-THE S-BLOCK ELEMENTS-QUESTION BANK
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