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COMEDK2025ChemistryAlcohols Phenols and EthersActual

Identify the most suitable method for the preparation of allylphenylether?

Correct answer

1

Step-by-step solution

The preparation of allyl phenyl ether involves the Williamson ether synthesis, which is a nucleophilic substitution reaction between an alkoxide or phenoxide ion and an alkyl halide. The reaction requires a phenoxide ion (nucleophile) and an allyl halide (electrophile). Option (2) shows the reaction between sodium phenoxide ( C₆H₅ONa ) and allyl bromide ( CH₂=CH-CH₂Br ). This is a classic S_ N 2 reaction where the phenoxide oxygen attacks the primary allylic carbon, displacing the bromide ion to form allyl phenyl e

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