The number of sigma and pi bonds in a molecule of carbon dioxide is
- A. two sigma and two pi
- B. four sigma and no pi
- C. two sigma and four pi
- D. one sigma and three pi
Explanation
Each of the two carbon to oxygen double bonds contributes one sigma and one pi bond, giving two of each in total. The rule that every double bond is one sigma plus one pi applies universally. A triple bond would contribute one sigma and two pi.
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