Question 18.1: IUPAC Names of Carboxylic Acids Write the IUPAC name for eac...

IUPAC Names of Carboxylic Acids

Write the IUPAC name for each carboxylic acid:

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(a) The longest carbon chain that contains the carboxyl group has fi ve carbons and, therefore, the parent alkane is pentane. The IUPAC name is 2-ethylpentanoic acid.

(b) 4-Hydroxybenzoic acid

(c) trans-3-Phenyl-2-propenoic acid (cinnamic acid)

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