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Byju's Answer
Standard XII
Chemistry
Lewis Dot Structure
Number of unp...
Question
Number of unpaired electron(s) in
C
o
(Z = 27) is:
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is
C
3
C
o
has its electronic configuration as
[
A
r
]
3
d
7
4
s
2
so, it has 3 unpaired electrons, as
3
d
7
is represented as
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