1.

The correct arrangement of the species in the decreasing order of the bond length between carbonand oxygen in them is

Answer»

`CO, CO_(2), HCO_(3)^(-), CO_(3)^(2-)`
`CO_(2), HCO_(3)^(-), CO, CO_(3)^(2-)`
`CO_(3)^(2-), HCO_(3)^(-), CO_(2), CO`
`CO, CO_(3)^(-), CO_(2), HCO_(3)^(-)`

Answer :C


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