Compare $C - O$ bond strength amongst:

C O > {C O}_{2} > {C O}_{3}^{2 -}

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C O > {C O}_{3}^{2 -} > {C O}_{2}

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{C O}_{3}^{2 -} > {C O}_{2} > C O

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C O < {C O}_{3}^{2 -} < {C O}_{2}

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Solution

The correct option is C ${C O}_{3}^{2 -} > {C O}_{2} > C O$
Solution:- (C) ${C O_{3}}^{- 2} > C O_{2} > C O$
Since Bond length is directly proportional to bond order and bond order depends on number of bonds, here as $C O$ will have triple bonds, $C O_{2}$ will have two double bonds $(O = C = O)$ while in case of ${C O_{3}}^{- 2}$ , the bond character lies between single and double bond due to resonance.
Hence bond length order will be ${C O_{3}}^{- 2} > C O_{2} > C O$ .

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Similar questions

The correct order of increasing C-O bond lengths in CO, $C O_{3}^{2 -}$ and $C O_{2}$ is:

The correct order of C - O bond length among $C O, C O_{3}^{2 -}, C O_{2}$ is:

C - O

C O

C O_{2}

C O_{3}^{2 -}

The correct order of increasing C-O bond length of $C O, {C O_{3}}^{2 -}$ , $C O_{2}$ is:

C - O

C O, C O_{3}^{2 -} and C O_{2}

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