how to calculate the oxidation number of C in CO
Answers
Answer:
Oxidation numbers are ATOMIC properties. For a neutral compound such as carbon monoxide, the sum of the individual oxidation numbers of the constituent atoms must equal the charge on the ion or species. Here we got a neutral species, and so the sum of the oxidation numbers of carbon and oxygen are here ZERO. Now oxygen GENERALLY takes a −II−II oxidation state in its compounds…and it does so here. And so carbon has a formal oxidation number of +II+II. For carbon dioxide, carbon has a formal oxidation number of +IV+IV. Do you appreciate why?
We could quite commonly write the Lewis structure of carbon monoxide with charge separation, ……
−:C≡O:+−:C≡O:+
…and this reflects the almost uniform CARBON ligation of carbon monoxide to the metal centre in transition metal complexes…
Explanation:
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