What is the IUPAC name of adipic acid?

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RPF SI (2018) Official Paper (Held On: 24 Dec, 2018 Shift 1)
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  1. propanedi oic acid
  2. ethanedi oic acid
  3. hexanedioic acid
  4. Butanoic acid

Answer (Detailed Solution Below)

Option 3 : hexanedioic acid
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The correct answer is hexanedioic acid

Key Points

  • Hexanedioic acid is the IUPAC name for adipic acid.
  • Adipic acid is a dicarboxylic acid with the formula (CH₂)₄(COOH)₂.
  • It is commonly used in the production of nylon and other polymers.
  • The name "adipic" is derived from the Latin word "adeps," meaning fat, because adipic acid was originally derived from animal fats.

Additional Information

  • IUPAC nomenclature is a method of naming chemical compounds as recommended by the International Union of Pure and Applied Chemistry.
  • For dicarboxylic acids, the suffix "-dioic acid" is used, and the name is based on the number of carbon atoms in the longest continuous chain containing the carboxyl groups.
  • In this case, "hexane" indicates a six-carbon chain, and "dioic acid" indicates two carboxyl groups, resulting in "hexanedioic acid."
  • Other common dicarboxylic acids include oxalic acid (ethanedioic acid), malonic acid (propanedioic acid), and succinic acid (butanedioic acid).
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