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Standard XII
Chemistry
Molecular Orbitals of Carbon
Question
Which of the following has fractional bond order?
O
2
+
2
O
2
−
2
F
2
−
2
H
−
2
A
O
2
+
2
B
F
2
−
2
C
H
−
2
D
O
2
−
2
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Solution
Verified by Toppr
Bond order
=
N
o
.
o
f
B
o
n
d
i
n
g
e
l
e
c
t
r
o
n
s
−
N
o
.
o
f
A
n
t
i
b
o
n
d
i
n
g
e
l
e
c
t
r
o
n
2
(
i
)
O
2
+
2
=
10
−
4
2
=
3
(
i
i
)
O
2
−
2
=
10
−
8
2
=
1
(
i
i
i
)
F
2
−
2
=
10
−
8
2
=
1
(
i
v
)
H
−
2
=
2
−
1
2
=
1
2
As you can see, the only molecule with fractional Bond order is
H
−
2
. It has a Bond order of
1
2
or
0.5
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10
Similar Questions
Q1
Bond orders of
O
2
,
O
−
2
,
O
2
−
2
,
O
+
2
and
O
2
+
2
in increasing order are :
View Solution
Q2
Which of the following orders is correct for the bond dissociation energy of
O
+
2
,
O
2
,
O
−
2
and
O
2
−
2
?
View Solution
Q3
What is the stability order of the following species?
O
2
+
2
,
O
+
2
,
O
2
,
O
−
2
,
O
2
−
2
View Solution
Q4
Given are
O
2
,
O
+
2
,
O
2
+
2
and
O
2
−
2
respectively. Find the correct increasing bond order:
View Solution
Q5
The bond strength in
O
+
2
,
O
2
,
O
−
2
and
O
2
+
2
follows the order________.
View Solution