When two-COOH groups are attached to adjacent carbon atoms of benzene then the name of compound is

When two-COOH groups are attached to adjacent carbon atoms of benzene then the name of compound is
  1. Benzoic acid
  2. Salicylic acid
  3. Phthalic acid
  4. $\mathrm{O}$-Toluic acid

Asked in: MHT CET 2022 (10 Aug Shift 1)

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