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MHT CET Chemistry question

ChemistryRedox ReactionsMHT CET

Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them? [AIEEE 2004]

Answer: (B),(D)

Solution

(Mn) can use all seven electrons and reaches +7, the highest; gives only +5 and (Ni) shows at most +4 since

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Question ID VK-074729