Question

Select the incorrect statement about Kolbe's reaction,
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Answer 1

b) a weak electrophile CO2 is used in this reaction

Kolbe's Reaction:-

Answer 2

Answer:

option A is an incorrect statement

Explanation:

Due to greater ability of ion (than OH group) to donate electrons to the benzene ring, phenoxide ion is more reactive than phenol towards electrophilic aromatic substitution reactions

Phenoxide ion is more stable than phenol due to the delocalisation of negative charge in phenoxide ion. Explanation: Due to delocalisation of negative charge, phenoxide ion is more stable than phenol.

Definition of Kolbe reaction

1: the synthesis of a hydrocarbon (as ethane) by the electrolysis of a salt (as sodium acetate)

2: the synthesis of salicylic acid by heating a mixture of sodium phenoxide and carbon dioxide under pressure at 180° to 200° C