8.3     Which of the 3d series of the transition metals exhibits the largest number of oxidation states and why?

Answers (1)
M manish

In 3d series of transition metals Manganese shows largest number of oxidation states because it has highest number of unpaired electrons in its d-orbitals.So, that by removing its all electrons we get different oxidation states.
Example- MnO_{2}(+4),\:MnO_{4}^{-}(+7),\:MnO(+2) etc.

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