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.

---

Definitions:

Year-end Amounts

Refers to the final recorded figures of financial accounts at the end of the fiscal year, important for financial reporting and analysis.

Compounded Annually

Interest calculation method where the interest is added to the principal sum at the end of each year, so that the balance also earns interest in the following year.

Yearly Contributions

Refers to the payments or investments made annually into a plan or fund, often for retirement or savings purposes.

Interest Rate

The cost of borrowing money or the return on investment, usually expressed as a percentage of the principal amount per period of time.