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How will you prepare the following compounds from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom (iv) Phenylacetic acid

Q 12.14     How will you prepare the following compounds from benzene You may use any inorganic reagent and any organic reagent having not more than one carbon atom

        (iv)     Phenyl acetic acid

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Alkylation of benzene in presence of anhydrous AlCl_{3} gives toluene, which on further reaction with Br_{2}/\Delta /hv gives benzyl bromide and after that reacts with alc. KCN, CN replace the Br and formed benzyle cyanide which on acidic hydrolysis gives phenyl acetic acid.

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