Select the correct order of mobility in aqueous medium.
A. `[Li(H_(2)O)_(x)]^(+)gt[Le(H_(2)O)_(y)]^(+2)`
B. `[Li(H_(2)O)_(x)]^(+)]lt[Be(H_(2)O)_(y)]^(+2)`
C. `[Li(H_(2)O)_(x)]^(+)=[Be(H_(2)O)_(y)]^(+2)`
D. Informations are not sufficient to predict the mobility

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1 Answers

Mobility: `[Li(H_(2)O)_(x)]^(+)gt[Be(H_(2)O)_(y)]^(+2)`
`rarr+ve` charge density increases.
`rarr` Zeft increases.
`rarr` Size of `Be^(+2)` decreaes
`rarr` Surrounding `H_(2)O` molecule increases.
`rarr` Bulky nature increaes.
`rarr` Mobility decreases.

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