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Karnataka Board PUCPUC Science 2nd PUC Class 12

Explain the following with an example. Kolbe’s reaction. - Chemistry

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Question

Explain the following with an example.

Kolbe’s reaction.

Answer in Brief
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Solution

Phenoxide ion generated by treating phenol with sodium hydroxide is even more reactive than phenol towards electrophilic aromatic substitution. Hence, it undergoes electrophilic substitution with carbon dioxide, a weak electrophile. Ortho hydroxybenzoic acid is formed as the main reaction product.

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