2. Substituent Naming

  1. Identify Longest Chain
  2. Assign Substituents and their Numbers: 
    Substituent Name Structural Formula
    Methyl -CH₃
    Ethyl -C₂H₅
    Propyl -C₃H₇
    Isopropyl -CH(CH₃)₂
    Butyl -C₄H₉
    Isobutyl -CH₂CH(CH₃)₂
    Sec-butyl -CH(CH₃)C₂H₅
    Tert-butyl -C(CH₃)₃
    Pentyl (Amyl) -C₅H₁₁
    Neopentyl -CH₂C(CH₃)₃
    Hexyl -C₆H₁₃
    Heptyl -C₇H₁₅
    Octyl -C₈H₁₇
    Nonyl -C₉H₁₉
    Decyl -C₁₀H₂₁
  3. Combine Names: The  is "methyl", and the base name is  "Number-substituentlongest carbon chain".

01 Multiple Choice