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Get Answers to all your Questions
Which of the following has a maximum number of unpaired electrons? Mg2+Ti3+Fe2+Cu2+​
Answers (1)
Mg2+ 4s0 3d5 5 unpaired
Ti3+ 4s0 3d2 2 unpaired
Fe2+ 4s0 3d6 4 unpaired
Cu2+​ 4s0 3d9 1 unpaired
So, Mn2+ is the answer.
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