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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