Which among the following is a pair of dicarboxylic acids?

Which among the following is a pair of dicarboxylic acids?
  1. Glutaric acid and Malonic acid
  2. Succinic acid and Valeric acid
  3. Oxalic acid and Caproic acid
  4. Propionic acid and Adipic acid

Asked in: MHT CET 2021 (22 Sep Shift 1)

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