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Tardigrade
Question
Chemistry
The sequence that correctly describes the relative bond strength pertaining to oxygen molecule and its cation or anions is:
Q. The sequence that correctly describes the relative bond strength pertaining to oxygen molecule and its cation or anions is:
2105
201
KEAM
KEAM 2006
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A
O
2
2
−
>
O
2
−
>
O
2
>
O
2
+
B
O
2
>
O
2
+
>
O
2
−
>
O
2
2
−
C
O
2
+
>
O
2
>
O
2
2
−
>
O
2
−
D
O
2
+
>
O
2
>
O
2
−
>
O
2
2
−
E
O
2
>
O
2
−
>
O
2
2
−
>
O
2
+
Solution:
Bond order of oxygen molecule = 2
Bond order of oxygen molecule ion =2.5
Bond order of superperoxide ion
(
O
2
−
)
=
1.5
Bond order of peroxide ion
(
O
2
2
−
)
=
1
Hence, the order of bond strength is as:
O
2
+
>
O
2
>
O
2
−
>
O
2
2
−