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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ap125

2-Hydroxybenzoic acid (salicylic acid) is treated as indicated. Select all correct statements.

  1. AIt gives a silver mirror with Tollens reagent.
  2. BHeating its sodium salt with soda lime gives phenol.
  3. CIt liberates from aqueous .
  4. DIt gives a violet colour with neutral .

Answer: B, C, D

The phenolic gives the violet iron(III) complex, and the carboxylic acid group is strong enough to decompose bicarbonate. Decarboxylation of the sodium salt with soda lime gives phenol. The molecule has no aldehyde group, so Tollens reagent is not reduced.
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