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JIPMER2011Chemistryd and f Block Elements

Which of the following has the maximum number of unpaired electrons?

Options

  1. AV ³⁺
  2. BFe ²⁺
  3. CMn ²⁺
  4. DCu ⁺

Correct answer

C. Mn ²⁺

Step-by-step solution

The outer electronic configuration of the given ions is as

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