What is the IUPAC name of the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?

Practice Questions

Q1
What is the IUPAC name of the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?
  1. 2-pentyl
  2. 3-methylpentane
  3. 2-methylpentane
  4. 3-pentyl

Questions & Step-by-Step Solutions

What is the IUPAC name of the compound with the formula CH3-CH2-CH(CH3)-CH2-CH3?
  • Step 1: Identify the carbon chain in the compound. The formula CH3-CH2-CH(CH3)-CH2-CH3 shows a chain of carbon atoms.
  • Step 2: Count the number of carbon atoms in the longest chain. There are five carbon atoms in total.
  • Step 3: Name the longest chain. A five-carbon chain is called 'pentane'.
  • Step 4: Look for any branches in the carbon chain. There is a methyl group (CH3) attached to the third carbon.
  • Step 5: Combine the branch name with the longest chain name. Since the methyl group is on the third carbon, the name becomes '3-methylpentane'.
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