What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C(=O)OH?

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Q: What is the IUPAC name for the compound CH3-CH2-CH(CH3)-C(=O)OH?

Solution: The longest chain has four carbons with a carboxylic acid group, making it 2-Methylbutanoic acid.

Steps: 7

Step 1: Identify the longest carbon chain in the compound. Count the number of carbon atoms in the chain.
Step 2: The longest chain has four carbon atoms, which is called butane.
Step 3: Look for any functional groups attached to the chain. In this case, there is a carboxylic acid group (-COOH) at the end of the chain.
Step 4: Since there is a carboxylic acid group, the compound is classified as a carboxylic acid.
Step 5: Check for any branches in the carbon chain. There is a methyl group (CH3) attached to the second carbon of the chain.
Step 6: Combine the information: The longest chain is butane, there is a methyl group on the second carbon, and it is a carboxylic acid.
Step 7: The IUPAC name is formed by naming the longest chain (butanoic acid) and adding the position of the methyl group, resulting in 2-Methylbutanoic acid.