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NEET2009ChemistryIonic EquilibriumActual

Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states ?

Options

  1. A3 d^2 4 s^2
  2. B3 ~d ^3 4 ~s ^2
  3. C3 d^5 4 s^1
  4. D3 d^5 4 s^2

Correct answer

D. 3 d^5 4 s^2

Step-by-step solution

7^ th group largest number of oxidation state.

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