Among the species : $C{O_2},C{H_3}CO{O^ - },$ $CO,C{O_3}^{2 - },$ $HCHO$ which has the weakest carbon- oxygen bond

  • A

    $C{O_2}$

  • B

    $C{H_3}CO{O^ - }$

  • C

    $CO$

  • D

    $C{O_3}^{2 - }$

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