Are the Methyl Groups in Xylene Included in the Aromatic

question 34

Multiple Choice

Are the methyl groups in xylene included in the aromatic part of the molecular structure?

• A) Yes, the aromatic bonding extends throughout the molecule.
• B) Yes, but only when the resonance form with double bonds to the methyl groups exists.
• C) No, only the carbons in the ring are involved in aromatic bonding.
• D) No, only the hydrogens in the ring are involved in the aromatic bonding.
• E) No, only the carbon atoms in xylene are involved in aromatic bonding, not the hydrogens.