교과서 질문
Draw the structure for each compound. a. ethylbenzene
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22. Organic Chemistry
Naming Benzene
객관식
Determine the systematic name of the molecule.
A
1-iodo-4-bromobenzene
B
1-bromo-4-iodobenzene
C
4-bromo-1-iodobenzene
D
4-iodo-1-bromobenzene
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검증된 단계별 안내1
Identify the parent structure: The molecule is a benzene ring, which is the parent hydrocarbon for naming.
Identify the substituents attached to the benzene ring: There are two substituents, bromine (Br) and iodine (I).
Number the benzene ring to give the substituents the lowest possible numbers: Start numbering from the substituent that comes first alphabetically to give it position 1. Between 'bromo' and 'iodo', 'bromo' comes first alphabetically.
Assign numbers to the substituents accordingly: Bromine gets position 1, and iodine gets position 4 (para position) on the benzene ring.
Write the systematic name by listing substituents alphabetically with their position numbers: The correct name is 1-bromo-4-iodobenzene.
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