Question

Which of the following is the correct IUPAC name for $ \text{CH}_3\text{CH}_2\text{OH} $?

• A. Ethanol
• B. Methanol
• C. Propanol
• D. Butanol

Hint:

Remember: Alcohols are named by identifying the longest carbon chain and adding the suffix "-ol" for the hydroxyl group.

Answer 1

The Correct Option is A

Step 1: Identify the functional group
The molecule \( \text{CH}_3\text{CH}_2\text{OH} \) is an ethane derivative with a hydroxyl (-OH) group. The presence of the -OH group classifies it as an alcohol.
Step 2: Name the compound
The compound's IUPAC name is derived from its structure:- The two-carbon parent chain is "ethane".- The alcohol functional group dictates the suffix "-ol".Combining these, the IUPAC name is "ethanol".
Answer:
The IUPAC name for \( \text{CH}_3\text{CH}_2\text{OH} \) is ethanol, corresponding to option (1).