객관식
Which of the following is the correct IUPAC name for the compound with the structure ?
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4. Alkanes and Cycloalkanes
IUPAC Naming
객관식
What is the correct IUPAC name for a benzene ring with a methyl group at position , a nitro group at position , and a bromo group at position ?
A
-bromo--methyl--nitrobenzene
B
-methyl--bromo--nitrobenzene
C
-bromo--nitrotoluene
D
-bromo--nitrotoluene
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검증된 단계별 안내1
Identify the parent compound: Since there is a methyl group attached to the benzene ring, the parent compound is 'toluene' (methylbenzene).
Number the ring to give the substituents the lowest possible numbers, starting from the methyl group as position 1 because it defines the parent name 'toluene'.
Locate the other substituents relative to the methyl group: the nitro group is at position 3, and the bromo group is at position 4.
Name the substituents in alphabetical order as prefixes to the parent name. The substituents are 'bromo' and 'nitro', so 'bromo' comes before 'nitro'.
Combine the substituent names with their positions and the parent name to form the correct IUPAC name: \(4\)-bromo-\(3\)-nitrotoluene.
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