Which of the Following Does $\underline{\text{ not }}$ Contain at Least One Pi Bond?
A) HCN
B) C₂H₆

question 62

Multiple Choice

Which of the following does $\underline{\text{ not }}$ contain at least one pi bond?

• A) HCN
• B) C₂H₆
• C) CO
• D) C₂H₂
• E) All of them have one or more pi bonds.

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