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Which of the 3d Series of the Transition Metals Exhibits the Largest Number of Oxidation States and Why? - Chemistry

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

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Solution

Mn (Z = 25) = 3d5 4s2

Mn has the maximum number of unpaired electrons present in the d-subshell (5 electrons). Hence, Mn exhibits the largest number of oxidation states, ranging from +2 to +7.

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APPEARS IN

NCERT Class 12 Chemistry Textbook
Chapter 8 The d-block and f-block Elements
Q 3 | Page 217
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