RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    Which reaction is used for the preparation of acetophenone?

    A)  Reimer-Tiemann reaction

    B)  Wurtz-Fittig reaction

    C)  Friedel Crafts reaction

    D)  Cannizzaros reaction

    Correct Answer: C

    Solution :

    Accecophenone can be prepared by Friedel Crafts reaction. By treacting benzene with acetyl chloride in presence of anhydrous aluminium chloride acetophenone is obtained. \[\underset{Benzene}{\mathop{{{C}_{6}}{{H}_{5}}H}}\,+\underset{Acetyl\,\,chloride}{\mathop{ClCOC{{H}_{3}}}}\,\xrightarrow{Anhyd.\,\,AlC{{l}_{3}}}\]                                                                \[\underset{Acetophenone}{\mathop{{{C}_{6}}{{H}_{5}}COC{{H}_{3}}}}\,+HCl\]


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