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The stable +2 ions of lanthanides in aqe...

The stable +2 ions of lanthanides in aqeous solution are

A

`Eu^(2+)`

B

`Ce^(2+)`

C

`Lu^(3+)`

D

`Fe^(2+)`

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The correct Answer is:
A
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Knowledge Check

  • The stable +2 ions of lanthanides in aqueous solution are

    A
    `Eu^(2+)`
    B
    `Ce^(2+)`
    C
    `Lu^(3+)`
    D
    `Fe^(2+)`
  • Lanthanide ions show

    A
    magnetic properties
    B
    coloured ion formation
    C
    lanthanide contraction
    D
    All of the above
  • The most stable ion is .

    A
    `[Fe(C_(2)O_(4))_(3)]^(3-)`
    B
    `[Fe(CI)_(6)]^(3-)`
    C
    `[Fe(H_(2)O)_(6)]^(3+)`
    D
    `[Fe(SCN)_(6)]^(3-)`
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    Assertion : Cu^+ ion is not stable in aqueous solution. Reason : Cu^+ contains 3d-filled subshell.