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Why do lanthanides show usually +3 oxida...

Why do lanthanides show usually +3 oxidation state?

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The general electronic configuration of lanthanides is `[Xe]4f^(1-14)5d^(0-1)6s^2` . Thus the most stable oxidation state shown by lanthanides is +3.
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Which element of lanthanoid shows +4 oxidation state?

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Knowledge Check

  • Which of the following lanthanoids show + 2 oxidation state besides the characteristic oxidation state + 3 of lanthanoids -

    A
    Ce
    B
    Eu
    C
    Yb
    D
    Ho

  • Fe shows an oxidation state of +1 in

    A
    `Fe(CO)_5`
    B
    `[Fe(H_2O)_5NO]SO_4`
    C
    `FE_4[Fe(CN)_6]_3`
    D
    `FeCl_4^(-)`

    • Similar Questions

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    Why does zinc show only + 2 oxidation state ?

    Although +3 oxidation state is the characteristic oxidation state of lanthanoids but cerium shows +4 oxidation state also. Why ?

    What are lanthanides? Give the various oxidation states of lanthanides.

    How would you account for the following ? Lanthanoids form primarily + 3 ions, while the actinoids usually have higher oxidation states in their compounds, + 4 or even + 6 being typical.

    Why does the stability of + 5 oxidation state decrease on moving down the group ?

    Why do actinides exhibit more number of oxidation states as compared to lanthanides ?

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