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JEE Advanced2013ChemistryGeneral Organic ChemistryActual

The compound that does NOT liberate CO 2 , on treatment with aqueous sodium bicarbonate solution, is

Options

  1. ABenzoic acid
  2. BBenzenesulphonic acid
  3. CSalicylic acid
  4. DCarbolic acid (Phenol)

Correct answer

D. Carbolic acid (Phenol)

Step-by-step solution

Except phenol, all other options are either carboxylic acids or sulphonic acids, which are comparatively strong. Phenol is a very weak acid K a ≈ 1 0 -1 0 and hence will not displace CO 2 from NaHCO 3

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