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Tardigrade
Question
Chemistry
KO2 exhibits paramagnetic behaviour. This is due to the paramagnetic nature of
Q.
K
O
2
exhibits paramagnetic behaviour. This is due to the paramagnetic nature of
2378
199
EAMCET
EAMCET 2014
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A
K
O
−
B
K
+
C
O
2
D
O
2
−
Solution:
In
K
O
2
, oxygen exists as
O
2
−
ion. Its molecular orbital electronic configuration is as follows
O
2
−
=
σ
1
s
2
,
σ
∗
1
s
2
,
σ
2
s
2
,
2
s
2
,
σ
∗
2
P
z
2
π
2
p
x
2
≈
π
2
p
y
2
,
π
∗
2
p
2
x
≈
π
∗
2
p
−
1
y
Due to presence of
1
unpaired electron in anti bonding molecular orbital, it is paramagnetic inbehaviour.