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MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryd and f Block elementsEx :O O

Which of the following electronic configurations represents Fe3+ ?

A.[Ar]3d64s2 (b) [Ar]3d54s1

C.[Ar]3d54s2 (d) [Ar]3d54s0

Explanation

3 5 0 Fe 3d 4s ->

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