The ionic conductance of the following cation | vedclass

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(A) In aqueous solution,cations are hydrated. The extent of hydration is inversely proportional to the size of the bare ion.Since the size of the bare

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$Li^{+} < Na^{+} < K^{+} < Rb^{+}$

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(A) In aqueous solution,cations are hydrated. The extent of hydration is inversely proportional to the size of the bare ion.Since the size of the bare ion increases in the order $Li^{+} Consequently,the size of the hydrated ion decreases as $Li^{+}( ext{hydrated}) > Na^{+}( ext{hydrated}) > K^{+}( ext{hydrated}) > Rb^{+}( ext{hydrated})$.Ionic conductance is inversely proportional to the size of the hydrated ion.Therefore,the ionic conductance increases in the order $Li^{+} < Na^{+} < K^{+} < Rb^{+}$.

The ionic conductance of the following cations in a given concentration is in the order:

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