Respuesta :
The order from the weakest to the strongest carbon oxygen bond length is,
CH3OH < CO3 < CO2 < CO.
In a carbon - oxygen bond, Carbon and oxygen form terminal double bonds in functional groups known as carbonyl compounds to which belong such compounds as ketones, esters and carboxylic acids and many more. Bond length is defined as the distance between the centers of two covalently bonded atoms. The length of the bond is determined by the number of bonded electrons that is called bond order. The higher the bond order, the stronger the pull between the two atoms and the shorter the bond length. Generally, the length of the bond between two atoms is approximately the sum of the covalent radii of the two atoms.
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