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MHT CET202312 May 2023Evening ShiftChemistryCarboxylic Acid DerivativesActual

Which among the following is dicarboxylic acid?

Options

  1. AValeric acid
  2. BCaproic acid
  3. CGlutaric acid
  4. DButyric acid

Correct answer

C. Glutaric acid

Step-by-step solution

To identify the dicarboxylic acid, we examine the carboxyl group count for each compound. Valeric acid (pentanoic acid) has formula CH ₃( CH ₂)₃ COOH , containing one carboxyl group and is thus monocarboxylic. Caproic acid (hexanoic acid) is CH ₃( CH ₂)₄ COOH , also monocarboxylic. Glutaric acid (pentanedioic acid) has structure HOOC ( CH ₂)₃ COOH , with two carboxyl groups, making it dicarboxylic. Butyric acid (butanoic acid) is CH ₃( CH ₂)₂ COOH , again monocarboxylic. The dicarboxylic acid is glutaric acid.

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