Which of the 3d series of elements exhibits the largest number of oxid – InterviewSolution

1.	Which of the 3d series of elements exhibits the largest number of oxidation states. Why?
Answer» Solution :Mn shows the MAXIMUM NUMBER of oxidation states. This is because of its outer electronic configuration, `3d^5 4s^2` Since there is not much ENERGY difference between 3d and 45, it uses its 3d electrons also for bonding. So Mn shows all oxidation states from `+2` to `+7`.

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