MCAT Organic Chemistry Question 33: Answer and Explanation
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Question: 33
3. A carbon atom participates in one double bond. As such, this carbon contains orbitals with:
- A. hybridization between the s-orbital and one p-orbital.
- B. hybridization between the s-orbital and two p-orbitals.
- C. hybridization between the s-orbital and three p-orbitals.
- D. no hybridization between the s-orbital and p-orbitals.
Correct Answer: B
Explanation:
In a carbon with one double bond, sp2 hybridization occurs—that is, one s-orbital hybridizes with two p-orbitals to form three sp2-hybridized orbitals. The third p-orbital of the carbon atom remains unhybridized and takes part in the formation of the π bond of the double bond.