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MHT CET20226 Aug 2022Morning ShiftChemistryd and f Block ElementsActual

Identify the outer electronic configuration of first element of first transition series.

Options

  1. A[ Ar ] 3 ~d ^1 4 ~s ^1
  2. B[ Kr ] 4 ~d ^ 5 ~s ^2
  3. C[ Kr ] 4 ~d ^1 5 ~s ^2
  4. D[ Ar ] 3 ~d ^1 4 ~s ^2

Correct answer

D. [ Ar ] 3 ~d ^1 4 ~s ^2

Step-by-step solution

Sc (21)=[ Ar ] 3 ~d ^1 4 ~s ^2

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