1.

Write anote on the oxidation of 3d transition series element​

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ANSWER:

manganese EXIST in 6 different oxidation state i.e from+2 to +7 this is the highest no for any elements in the 3 d series. the reason of existing of such a big no of oxidation state bcoz of PRESENCE of 5 unpaired in the manganese in it 3d subshell



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