Q73 / 180 · AIIMS 2003 · Chemistry

Lanthanide for which + II and +III oxidation states are common is

  • A
    $\mathrm{La}$
  • B
    $\mathrm{Nd}$
  • C
    $\mathrm{Ce}$
  • Correct answer
    D
    Eu.

Solution

$$ \begin{array}{ll} : \mathrm{La} & -+3 \\ \mathrm{Nd} & -+2,+3,+4 \\ \mathrm{Ce} & -+3,+4 \\ \mathrm{Eu} & -+2,+3 \end{array} $$

Hence, the correct answer is option: 'D'.

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