The ease of adsorption of the hydrated alkali metal ions on ion-exchange resins follows the order:

Options

A. `K^(+)lt Na + lt Rb^(+) lt Li^(+)`
B. `Na^(+)lt Li^(+)lt K^(+)lt Rb^(+)`
C. `Li^(+)lt K^(+)lt Na^(+)lt Rb^(+)`
D. `Rb^(+)lt K^(+)lt Na^(+)lt Li^(+)`

Answer

D