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Tardigrade
Question
Chemistry
Among KO2 , AlO2- , BaO2 and NO2+ , unpaired electron is present in -
Q. Among
K
O
2
,
A
l
O
2
−
,
B
a
O
2
and
N
O
2
+
, unpaired electron is present in -
138
139
NTA Abhyas
NTA Abhyas 2022
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A
N
O
2
+
,
B
a
O
2
B
K
O
2
and
A
l
O
2
−
C
K
O
2
only
D
B
a
O
2
only
Solution:
K
O
2
is super oxide i.e.
O
2
−
having one unpaired electron.