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Byju's Answer
Standard XII
Chemistry
Introduction to d and f Block Elements
Among KO_2, ...
Question
Among
K
O
2
,
A
l
O
−
2
,
B
a
O
2
and
N
O
+
2
,
unpaired electron is present in -
A
N
O
+
2
,
B
a
O
2
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B
K
O
2
and
A
l
O
−
2
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C
K
O
2
only
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D
B
a
O
2
only
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Solution
The correct option is
C
K
O
2
only
K
O
2
is paramagnetic due to presence of unpaired electron in
O
−
2
(Super oxide)
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Among
K
O
2
,
A
l
O
2
−
,
B
a
O
2
,
N
O
2
+
unpaired electron is present in: