Which of the following has the highest electr | vedclass

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(B) In an aqueous solution,the electrical conductivity depends on the ionic mobility of the hydrated ions.Smaller ions have a higher charge density,le

Vedclass · Accepted Answer

$Cs^+$

Vedclass · Answer

(B) In an aqueous solution,the electrical conductivity depends on the ionic mobility of the hydrated ions.Smaller ions have a higher charge density,leading to greater hydration,which increases their effective size and decreases their mobility.Among the alkali metal ions,$Li^+$ has the smallest ionic radius,so it is most heavily hydrated,resulting in the lowest mobility.$Cs^+$ has the largest ionic radius,so it is the least hydrated,resulting in the highest mobility and the highest electrical conductivity.

Which of the following has the highest electrical conductivity in an aqueous solution?

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