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Multiple Choice
The common name for a disbstituted benzene with two methyl groups is xylene. Draw a structure for meta-xylene.
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Understand that xylene is a common name for a benzene ring with two methyl groups attached.
Recognize that 'meta' refers to the relative positions of the substituents on the benzene ring. In meta-xylene, the two methyl groups are separated by one carbon atom on the benzene ring.
Visualize the benzene ring as a hexagon with alternating double bonds. Number the carbon atoms in the ring from 1 to 6.
Place the first methyl group on carbon 1. For meta-xylene, place the second methyl group on carbon 3, which is one carbon away from the first methyl group.
Draw the structure by placing the methyl groups on the benzene ring at the 1 and 3 positions, ensuring the rest of the ring is completed with hydrogen atoms to satisfy the valency of carbon.