What are monosubstituted and disubstituted derivatives of benzene, and how are they named according to IUPAC?
Understand the Problem
The question focuses on understanding the concepts and nomenclature related to monosubstituted and disubstituted derivatives of benzene, including how to systematically identify and name these compounds.
Answer
Monosubstituted use 'substituent-benzene'; disubstituted use 'ortho-, meta-, para-' or numbers.
Monosubstituted benzene derivatives are named by adding the substituent name to 'benzene'. Disubstituted derivatives use locants (ortho-, meta-, para-) or numerical prefixes to indicate the positions of substituents on the ring.
Answer for screen readers
Monosubstituted benzene derivatives are named by adding the substituent name to 'benzene'. Disubstituted derivatives use locants (ortho-, meta-, para-) or numerical prefixes to indicate the positions of substituents on the ring.
More Information
While simple substituents simply add their name in front of 'benzene', the IUPAC system provides detailed guidance for complex substituents and multiple substitutions on a benzene ring.
Tips
A common mistake is ignoring the relative position of substituents, which is critical for naming disubstituted derivatives correctly.
Sources
- 15.3: Nomenclature of Benzene Derivatives - Chemistry LibreTexts - chem.libretexts.org
- Substituted Benzene Compounds | Nomenclature - BYJU'S - byjus.com
- Naming Aromatic Compounds - Chemistry Steps - chemistrysteps.com
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