NEET 2002 Chemistry question

Which of the following shows maximum number of oxidation states :-

(1)Cr
(2)Fe
(3)MnCorrect
(4)V

Answer: (3)

Solution

In the first transition series the number of oxidation states rises to a maximum at the middle of the series, where the number of unpaired electrons is the largest. Manganese () exhibits

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Question ID VK-089011