The correct order of C-O bond length among CO | vedclass

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(C) Bond length is inversely proportional to bond order. Higher bond order results in shorter bond length.$1.$ In $CO$, the bond order is $3$ $(:C \eq

Vedclass · Accepted Answer

$CO < CO_2 < CO_3^{2-}$

Vedclass · Answer

(C) Bond length is inversely proportional to bond order. Higher bond order results in shorter bond length.$1.$ In $CO$, the bond order is $3$ $(:C \equiv O:^+)$, so the bond length is shortest $(112.8 \ pm)$.$2.$ In $CO_2$, the bond order is $2$ $(O=C=O)$, so the bond length is intermediate $(122 \ pm)$.$3.$ In $CO_3^{2-}$, the carbon atom is $sp^2$ hybridized and exhibits resonance. The bond order is $1.33$, which is the lowest, resulting in the longest bond length $(136 \ pm)$.Therefore, the correct order of increasing bond length is $CO < CO_2 < CO_3^{2-}$.

The correct order of $C-O$ bond length among $CO, CO_3^{2-}, CO_2$ is

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