In alphabetizing substituent names in an IUPAC name, which part is ignored?
ALocant numbers only
BFunctional group suffix
CMultiplying prefixes such as di- and tri-
DHalogen prefixes such as chloro- and bromo-
Answer & Solution
Correct answer: C. Multiplying prefixes such as di- and tri-
Alphabetical order for substituents ignores multiplying prefixes like di- and tri-. The alphabetization is based on the actual substituent name, not the count prefix.
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