Which one of the following ions has electronic configuration [Ar] 3d 6 ? ( At. no: Mn =…
Chemistry · NEET · NTA Exams — Structure of Atom
Which one of the following ions has electronic configuration [Ar] 3d6?
( At. no: Mn = 25, Fe = 26, Co = 27, Ni = 28)
- Ni3+
- Mn3+
- Fe3+
- Co3+
Answer
(D) Co 3 +
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