Maximum oxidation state shown by Mn (At. no. 25) is
Maximum oxidation state shown by Mn (At. no. 25) is
A. `+7`
B. `+8`
C. `+6`
D. `+4`
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Correct Answer - A
Maximum oxidation state of Mn is +7 as the electronic configuration is `3d^5 4s^2`. All 3d and 4s can be involve in forming bond, thereby giving oxidation state of +7
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