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AP EAMCET202316 May 2023Evening ShiftChemistryd and f Block ElementsActual

The number of d - electrons in Cr ³⁺ ion ( Z =24) is

Options

  1. A6
  2. B4
  3. C3
  4. D8

Correct answer

C. 3

Step-by-step solution

Cr =[ Ar ] 3 ~d ^5 4 ~s ^1 so Cr ³⁺=[ Ar ] 3 ~d ^3 Number of d-electrons =3

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