What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-C

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Question: What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-COOH?

Options:

Correct Answer: 3,3-Dimethylbutanoic acid

Solution:

The compound has a carboxylic acid and two methyl groups on the third carbon, making it 3,3-Dimethylbutanoic acid.

What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-COOH?

What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-COOH?

Step 1: Identify the longest carbon chain in the compound. The longest chain here has 4 carbon atoms, which is a butane.
Step 2: Identify the functional group. The compound has a carboxylic acid group (-COOH) at one end, which indicates it is an acid.
Step 3: Number the carbon chain starting from the end closest to the carboxylic acid. This gives us the following numbering: 1 (COOH), 2, 3, 4.
Step 4: Identify the substituents on the carbon chain. There are two methyl groups (CH3) on the third carbon.
Step 5: Combine the information. The name of the compound is based on the longest chain (butanoic acid) and the substituents (3,3-Dimethyl).
Step 6: Write the full IUPAC name. The final name is 3,3-Dimethylbutanoic acid.

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