Sia
青州's Question
Chemistry
Posted 12 months ago
What is the IUPAC name of the following compound?
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Answer from Sia
Posted 12 months ago
Solution
1
Identify the structure: The given molecule has a six-membered ring with alternating single and double bonds, which is characteristic of a benzene ring
2
Identify substituents: The molecule has a CH₂CH₃ (ethyl) group attached to one carbon and a CO₂H (carboxyl) group attached to an adjacent carbon
3
Number the ring: Number the benzene ring such that the carboxyl group (CO₂H) gets the lowest possible number, which is 1. The ethyl group (CH₂CH₃) will be at position 2
4
Name the compound: According to IUPAC nomenclature, the compound is named as 2-ethylbenzoic acid
Answer
2-ethylbenzoic acid
Key Concept
IUPAC Nomenclature
Explanation
The IUPAC name of a compound is determined by identifying the longest carbon chain, the functional groups, and their positions on the chain. In this case, the benzene ring with a carboxyl group (benzoic acid) is the parent structure, and the ethyl group is a substituent.
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