WB JEE Medical WB JEE Medical Solved Paper-2006

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

    A)  Reimer-Tiemann reaction

    B)  Wurtz-Fittig reaction

    C)  Friedel-Crafts reaction

    D)  Cannizaros reaction

    Correct Answer: C

    Solution :

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


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