The ionic conductance is least forA. `Cs^(+)`B. `Rb^(+)`C. `K^(+)`D. `Na^(+)`

The ionic conductance is least forA. `Cs^(+)`B. `Rb^(+)`C. `K^(+)`D. `

1.	The ionic conductance is least forA. `Cs^(+)`B. `Rb^(+)`C. `K^(+)`D. `Na^(+)`
Answer» Correct Answer - d Due to small size of `Na^(+)`, it is heavily hydrated and become large molecule ionic conductance increases down the group in alkali metals. Order of ionic conductance is `Na^(+)ltK^(+)ltRb^(+)ltCs^(+)`

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The ionic conductance is least forA. `Cs^(+)`B. `Rb^(+)`C. `K^(+)`D. `Na^(+)`

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