
Concept explainers
To draw: The condensed structural formulas and write the IUPAC names for two structural isomers of the carboxylic acids that have the molecular formula C4H8O2.

Answer to Problem 14.47UTC
Solution:
The condensed structural formulas with IUPAC name for the carboxylic acids with the molecular formula C4H8O2are as follows:
Given:
The molecular formula of the
Explanation of Solution
The given formula can be generalized as CnH2nO2 which represents carboxylic acid. Two isomers for this acid can be chain isomers which differ in chain length. The longest chain in the first isomer is 4 carbon chains starting from the carboxylic carbon. Hence, it is named as butanoic acid. In the second isomer, the longest carbon chain is three carbon chain with a substituent on the second carbon starting from the carboxylic carbon. So, the second isomer is named as 2-methylpropanoic acid.
Thus, the condensed formula ofgiven carboxylic acid with the IUPAC name are as follows:
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