General Science • ChemistryHard
What is the correct IUPAC name of the organic compound with the chemical formula CH3-CH2-CH(OH)-CH3?
A. Butan-1-ol
B. Butan-2-ol✓ Correct Answer
C. 2-Methylpropan-2-ol
D. Diethyl ether
💡 Solution & Explanation
The given organic compound is a secondary alcohol containing a four-carbon continuous aliphatic chain. Numbering the carbon chain from the end closest to the hydroxyl functional group assigns the hydroxyl group to carbon-2, resulting in the IUPAC name butan-2-ol. Butan-1-ol has the hydroxyl group at the terminal carbon, whereas 2-methylpropan-2-ol represents a branched tertiary alcohol isomer. The suffix -ol denotes the presence of an alcohol functional group in IUPAC nomenclature.
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