Which of the following is the correct IUPAC name for CH3-CH2-COOH?

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Question: Which of the following is the correct IUPAC name for CH3-CH2-COOH?

Options:

Correct Answer: Propanoic acid

Solution:

The compound CH3-CH2-COOH is propanoic acid, as it has a three-carbon chain with a carboxylic acid functional group.

Which of the following is the correct IUPAC name for CH3-CH2-COOH?

Which of the following is the correct IUPAC name for CH3-CH2-COOH?

Step 1: Identify the structure of the compound CH3-CH2-COOH. It consists of three carbon atoms in a chain.
Step 2: Recognize that the -COOH group at the end of the chain indicates that this compound is a carboxylic acid.
Step 3: Count the number of carbon atoms in the longest chain. There are three carbon atoms (CH3-CH2-COOH).
Step 4: Use the IUPAC naming rules for carboxylic acids. The name is based on the number of carbon atoms in the chain.
Step 5: Since there are three carbon atoms, the base name is 'propanoic acid'.

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