What is IUPAC name of the following compound?

What is IUPAC name of the following compound?
  1. 3-Carboxy-6-methylphenol
  2. 5-Carboxy-2-methylphenol
  3. 3-Hydroxy-4-methylbenzoic acid
  4. 4-methyl-5-hydroxybenzoic acid

Solution

Carboxylic acid functional group will be given more priority than hydroxyl group $(-\mathrm{OH})$

Asked in: MHT CET 2024 (10 May Shift 2)

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