The correct order of increasing C-O bond stre | vedclass

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Question

(A) The bond strength is inversely proportional to the bond order. First,calculate the bond order for each species: $1$. For $CO$: The bond order is $

Vedclass · Accepted Answer

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

Vedclass · Answer

(A) The bond strength is inversely proportional to the bond order. First,calculate the bond order for each species: $1$. For $CO$: The bond order is $3$. $2$. For $CO_2$: The structure is $O=C=O$,and the bond order is $2$. $3$. For $CO_3^{2-}$: The resonance hybrid structure gives a bond order of $4/3 \approx 1.33$. Comparing the bond orders: $1.33 (CO_3^{2-}) Since bond strength increases with bond order,the correct order is $CO_3^{2-} < CO_2 < CO$.

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

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