Question
Explain the following with an example :
Kolbe's reaction.
Kolbe's reaction.
✓
Answer
Sodium phenoxide is heated with $CO _2$ at $130^{\circ} C$ temp. and high pressure (4-7 atm. pressure), sodium phenyl carbonate (intermediate) is first formed, which on further rearrangement gives sodium salicylatic. Acidification of sodium salicylate gives salicylic acid.
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