A) bromobenzene
B) 3-bromo-1-methlybenzene
C) p-bromobenzene
D) p-bromomethlybenzene
E) 1-methyl-4-bromobenzene
B) 3-bromo-1-methlybenzene
C) p-bromobenzene
D) p-bromomethlybenzene
E) 1-methyl-4-bromobenzene
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1-methyl, 4-bromobenzene
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p-bromomethylbenzene is the only one that works, although 4-bromo-1-methylbenzene is also acceptable. The p stands for para, indicating that there are 2 carbons between those with the substituents. E is only wrong because substituents need to be alphabetized.
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D & E both look OK, but I'd go with E