What is the correct IUPAC name for the compound CH3-CH(CH3)-CH2-CH3?

Practice Questions

Q1
What is the correct IUPAC name for the compound CH3-CH(CH3)-CH2-CH3?
  1. 2-methylbutane
  2. 3-methylbutane
  3. 2-pentanol
  4. 3-pentanol

Questions & Step-by-Step Solutions

What is the correct IUPAC name for the compound CH3-CH(CH3)-CH2-CH3?
  • Step 1: Identify the longest continuous chain of carbon atoms in the compound CH3-CH(CH3)-CH2-CH3.
  • Step 2: Count the number of carbon atoms in the longest chain. There are four carbon atoms.
  • Step 3: Name the longest chain. A four-carbon chain is called 'butane'.
  • Step 4: Look for any branches (substituents) on the longest chain. There is a methyl group (CH3) attached to the second carbon.
  • Step 5: Combine the information. Since there is a methyl group on the second carbon of butane, the name becomes '2-methylbutane'.
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