Question

The IUPAC nomenclature of $C{H}_3-CH-\stackrel{\stackrel{OH}{|}}{\underset{\underset{H}{|}}{C}}-C{H}_3$ is

• A. Sec-Butyl alcohol
• B. iso - Butanol
• C. Butan - 2- ol
• D. 3- Butanol

Answer 1

The correct option is C Butan - 2- ol

An alcohol with four carbon atoms in longest chain has 'But' as word root. The chain is saturated so primary suffix is 'ane', functional group alcohol has secondary suffix -ol. The position of functional group is 2. Thus, IUPAC nomenclature of given compound is Butan-2-ol.