Question:
What is the IUPAC name of CH\(_3\)CH\(_2\)OH?
What is the IUPAC name of CH\(_3\)CH\(_2\)OH?
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The suffix -ol indicates an alcohol, and the prefix (meth-, eth-, prop-) counts carbon atoms.
Updated On: Dec 15, 2025
- Methanol
- Ethanol
- Propanol
- Butanol
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The Correct Option is B
Solution and Explanation
The compound CH\(_3\)CH\(_2\)OH has two carbon atoms, an -OH group, and no double or triple bonds, indicating an alcohol. For alcohols, the IUPAC name is based on the number of carbon atoms:
- 1 carbon: Methanol
- 2 carbons: Ethanol
- 3 carbons: Propanol
- 4 carbons: Butanol
Since there are two carbons, the name is ethanol. Thus, option (2) is correct.
- 1 carbon: Methanol
- 2 carbons: Ethanol
- 3 carbons: Propanol
- 4 carbons: Butanol
Since there are two carbons, the name is ethanol. Thus, option (2) is correct.
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