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
- AW
- BYb
- CEu
- 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