Benzene (C₆H₆) Is a Cyclic, Nonpolar Molecule

question 13

Multiple Choice

Benzene (C₆H₆) is a cyclic, nonpolar molecule. By removing one of the hydrogens and replacing it with another atom or group, this substituted benzene becomes polar. Which of the following substituted benzenes is the most polar?

• A) C₆H₅F (fluorobenzene)
• B) C₆H₅Br (bromobenzene)
• C) C₆H₅Cl (chlorobenzene)
• D) C₆H₅I (iodobenzene)
• E) C₆H₅CH₃ (methylbenzene)

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Definitions:

Unstable Positive Charge

Refers to a positive ion (cation) that lacks stability, often making it highly reactive and short-lived.

Glial Cells

Supportive cells in the nervous system that do not conduct nerve impulses but provide nutrition, support, and protection for neurons.

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Myelin Sheath

A fatty covering that surrounds axons of some nerve cells, facilitating faster transmission of electrical impulses.