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Tardigrade
Question
Chemistry
Which of the following molecules have unpaired electrons in antibonding molecular orbitals?
Q. Which of the following molecules have unpaired electrons in antibonding molecular orbitals?
2242
190
J & K CET
J & K CET 2002
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A
O
2
B
N
2
C
C
2
D
B
2
Solution:
The molecular electronic configuration of
O
2
molecule is as:
O
2
:
KK
(
σ
2
s
)
2
(
σ
∗
2
s
)
2
(
σ
2
P
z
)
2
(
π
2
p
x
)
2
(
π
2
p
y
)
2
(
π
∗
2
p
x
)
1
(
π
∗
2
P
y
)
1
Hence,
O
2
molecule has unpaired electron in the anti-bonding molecular orbitals.