Which of the following correctly describes the two aromatic ring substituents in the xylenes?
A) They are both hydroxyl groups.
B) They are both methyl groups.
C) One is a methyl and one is an hydroxyl.
D) One is a methyl and one is an ethyl.

Question

Quizplus · Accepted Answer

Xylenes are composed of two identical aromatic rings with a methyl group as a substituent on each ring. Therefore, both substituents are methyl groups.

Which of the Following Correctly Describes the Two Aromatic Ring