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

Practice Questions

Q1
What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-COOH?
  1. 2-Methyl-3-pentanoic acid
  2. 3-Methyl-2-pentanoic acid
  3. 2,3-Dimethylbutanoic acid
  4. 3,3-Dimethylbutanoic acid

Questions & Step-by-Step Solutions

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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