Arrange the following alkali metal ions in decreasing order of their mobility?Li+,na+,k+,Rb,+cs+.
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As the size of ions increases the hydration of ions decreases. Higher the size of hydrated ion lower the ionic mobility. Among the alkali metal Li+ gets most hydrated in aqueous solution. Lithium has the lowest mobility.
The mobility of ions decrease in the order given below.
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HI
Li+ >Na+ >K+ > Rb+> Cs+
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