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MHT CET202416 May 2024Morning ShiftChemistryd and f Block ElementsActual

Which from following elements has completely filled 4 f orbital at expected ground state configuration?

Options

  1. AW
  2. BYb
  3. CEu
  4. DCd

Correct answer

B. Yb

Step-by-step solution

aligned & Yb =[ Xe ] 4 f ¹⁴ 6 ~s ^2 & Eu =[ Xe ] 4 f ^7 6 ~s ^2 & Cd =[ Kr ] 4 ~d ¹⁰ 5 ~s ^2 & ~W =[ Xe ] 4 I ¹⁴ 5 ~d ^4 6 ~s ^2 aligned

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