Which one among the following pairs of ions have same electronic
configuration?
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Answer:
where are the pairs bro....
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Answer: Mn2+,Fe3+
The elements are in the first series so the general configuration is ns2(n−1)dx
The electron configuration of Mn is 4s23d5 and Fe is 4s23d6 Any configuration of X2+ loses two 4s and any configuration of X3+ loses two 4s and one 3d.
⇒Mn2+→3d5 and Mn3+→3d4
⇒Fe2+→3d6 and Fe3+→3d5
ddssdd008:
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