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Which of the following has maximum numbe...

Which of the following has maximum number of unpaired electrons? (i) `Mn^(2+)`
(ii) `Fe^(2+)`
(iii) `Cu^(2+)`
(iv) `Cr`.

Text Solution

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The followinng are the electronic configurations of the given ions and atoms:
.
`therefore`Cr has the maximum number of unpaired electrons (6).
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