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Byju's Answer
Standard XII
Chemistry
Multi-Electron Configurations and Orbital Diagrams
The number of...
Question
The number of unpaired electrons in the
F
e
3
+
ion
(Atomic no. = 26) is:
A
5
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B
6
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C
2
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D
8
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Solution
The correct option is
B
5
Electronic configuration
F
e
3
+
:
[
A
r
]
3
d
5
Hence it has 5 unpaired electrons.
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