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MHT CET20226 Aug 2022Evening ShiftChemistryd and f Block ElementsActual

Which among the following lanthanoids forms most stable +2 oxidation state?

Options

  1. AEu ( Z =63)
  2. BCe ( Z =58)
  3. CPm ( Z =61)
  4. DGd ( Z =64)

Correct answer

A. Eu ( Z =63)

Step-by-step solution

Eu (63)=[ Xe ] 4 f ^7 6 ~s ^2

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