A bond-forming orbital overlap is shown in the following figure. Which of the following bonds could be formed? A) Cl—Cl σ, B) C—O π, C) C—C π, or D) C—Cl σ?

• A. Cl—Cl σ
• B. C—O π
• C. C—C π
• D. C—Cl σ

Answer: (D)