JEE Main 2014 Chemistry question

Allyl phenyl ether can be prepared by heating :

(1)CH_2 = CH - Br + C_6H_5 - CH_2 - ONa
(2)C_6H_5 - CH = CH - Br + CH_3 - ONa
(3)CH_2 = CH - CH_2 - Br + C_6H_5ONaCorrect
(4)C_6H_5Br + CH_2 = CH - CH_2 - ONa

Answer: (3)

Solution

Williamson synthesis needs the alkoxide (or phenoxide) to attack a halide that can undergo . Sodium phenoxide with allyl bromide gives directly, option

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Question ID VK-104396