MCQ
The number of unpaired electrons in the $F{e^{2 + }}$ ion is
- A$0$
- ✓$4$
- C$6$
- D$3$
✓
Answer
Correct option: B.
$4$
b
(b) Four unpaired electron are present in the $F{e^{2 + }}$ ion
(b) Four unpaired electron are present in the $F{e^{2 + }}$ ion
$Fe_{26}^{2 + } = [Ar]\,3{d^6},4{s^0}$
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