Q.

Identify the product Z in the following sequence of reactions.Phenol→NaOHX→4−7atm,410KCO2Y→H3O+Z

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a

Aspirin

b

Salicylaldehyde

c

Benzoic acid

d

Salicylic acid

answer is D.

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Detailed Solution

Phenoxide ion generated by treating phenol with sodium hydroxide it under goes to electrophilic substitution  with  carbon dioxide  a weak electrophile orthohydroxy benzoic acid (Salicylic acid) is formed as main reaction product. This is also called as Kolbe’s reaction.
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