Which of the Following Does Not Contain at Least One

question 65

Multiple Choice

Which of the following does not contain at least one pi bond?

• A)H₂CO
• B)CO₂
• C)C₂H₄
• D)C₂H₆
• E)All of the above (A-D)contain at least one pi bond.

---

Definitions:

Socioeconomic Groups

Categories of people sharing similar levels of wealth, income, education, and occupational status.

Language Barrier

The difficulty in communication between people who do not share a common language or dialect, hindering mutual understanding.

Lack of Knowledge

The state or condition of being unaware or uninformed about specific information, topics, or skills.

Planning

The act of organizing, outlining goals, and formulating strategies to achieve specific objectives.