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Which of the following reagents may be used to distinguish between phenol and benzoic acid ?

Options

  1. ATollen's reagent
  2. BMolisch reagent
  3. CNeutral FeCl ₃
  4. DAqueous NaOH

Correct answer

C. Neutral FeCl ₃

Step-by-step solution

Phenol gives violet coloured comlex compound with neutral FeCl ₃ , benzoic acid gives pale dull yellow ppt. with neutral FeCl ₃

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