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The corrrect order of C-O bond length am...

The corrrect order of C-O bond length among `CO, CO_3^(2-), CO_2` is

A

`CO_(3)^(2-) lt CO_(2) lt CO`

B

`CO_(2) lt CO_(3)^(2-) lt CO`

C

`CO lt CO_(3)^(2-) lt CO_(2)`

D

`CO lt CO_(2) lt CO_(3)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Bond length ` prop (1)/("Bond order") " " `Bond order : `CO_(2)=2, CO=3, CO_(3)^(2-)=1+(1)/(3)=(4)/(3)`.
Therefore, order of bond length is `CO_(3)^(2-) gt CO_(2) gt CO`
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