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Chemistry
Chemistry
Problem
Among
K
O
2
KO_2
K
O
2
,
K
A
l
O
2
KAlO_2
K
A
l
O
2
,
C
a
O
2
CaO_2
C
a
O
2
and
N
O
2
+
NO_2^+
N
O
2
+
, unpaired electron is present in : a.
N
O
2
+
NO_2^+
N
O
2
+
and
C
a
O
2
CaO_2
C
a
O
2
b.
K
O
2
KO_2
K
O
2
and
K
A
l
O
2
KAlO_2
K
A
l
O
2
c.
K
O
2
KO_2
K
O
2
only d.
C
a
O
2
CaO_2
C
a
O
2
only
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