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The correct order of increasing C-O bond...

The correct order of increasing `C-O` bond lengths in `CO, CO_3^(2-)` and ` CO_2` is :

A

` CO_2^(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 CO_3^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Structrues of `CO, CO_2` and `CO_3^(2-)` are :

Bond order `prop (1)/( Bond length)`
Hence, the decrreaing `(C- O)` bond length is :
`CO lt CO_2 lt CO_3^(2-)` .
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