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

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Question

(A) The bond length is inversely proportional to the bond order.$1$. In $CO$,the bond order is $3$ $(C \equiv O)$.$2$. In $CO_2$,the bond order is $2$

Vedclass · Accepted Answer

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

Vedclass · Answer

(A) The bond length is inversely proportional to the bond order.$1$. In $CO$,the bond order is $3$ $(C \equiv O)$.$2$. In $CO_2$,the bond order is $2$ $(O=C=O)$.$3$. In $CO_3^{2-}$,the bond order is $1.33$ due to resonance.Since the bond order follows the order $CO > CO_2 > CO_3^{2-}$,the bond length follows the order $CO < CO_2 < CO_3^{2-}$.

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

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