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The ionic mobility of alkali metal ions ...

The ionic mobility of alkali metal ions in aqueous solution is maximum for

A

`K^(+)`

B

`Rb^(+)`

C

`Li^(+)`

D

`Na^(+)`.

Text Solution

Verified by Experts

The correct Answer is:
B
Bigger the size, lower is the extent of hydration therefore, smaller is the size of the hydrated species and highest is the ionic mobility, i.e., `Rb^(+)` has the maximum mobility .
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The CORRECT order of the mobility of the alkali metal ions in aqueous solution is A) Rb^+ > K^+ > Na^+ > Li^+ B) Li^+ > Na^+ > K^+ > Rb^+ C) Na^+ > K^+ > Rb^+ > Li^+ D) K^+ > Rb^+ > Na^+ > Li^+

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Knowledge Check

  • The ionic mobility of alkali metal ions in aqeous solution is maximum for

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

  • The ionic mobililty of alkali metal icons in auquesous is maximum for:

    A
    `K^(+)`
    B
    `RB^(+)`
    C
    `Li^(+)`
    D
    `Na^(+)`

  • The ionic mobililty of alkali metal icons in auquesous is maximum for:

    A
    `K^(+)`
    B
    `RB^(+)`
    C
    `Li^(+)`
    D
    `Na^(+)`

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