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

Practice Questions

Q1
Which of the following is the correct IUPAC name for CH3-CH2-COOH?
  1. Propanoic acid
  2. Butanoic acid
  3. Acetic acid
  4. Isobutyric acid

Questions & Step-by-Step Solutions

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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