JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank Properties

  • question_answer
    Consider the following statement Acetophenone can be prepared by (1)          Oxidation of 1-phenylethanol (2)          Reaction of benzalthanol with methyl magnesium bromide (3)          Friedel craft?s reaction of benzene with acetyl chloride (4)          Distillation of calcium benzoate [SCRA 2001]

    A)                 1 and 2

    B)                 1 and 4

    C)                 1 and 3 

    D)                 3 and 4

    Correct Answer: C

    Solution :

               \[\underset{1-\text{Phenylethanol}}{\mathop{{{C}_{6}}{{H}_{5}}CHOHC{{H}_{3}}}}\,\xrightarrow{[O]}\underset{\text{Acetophenone}}{\mathop{{{C}_{6}}{{H}_{5}}COC{{H}_{3}}}}\,\]                                 \[{{C}_{6}}{{H}_{6}}+C{{H}_{3}}COCl\underset{\text{reaction}}{\mathop{\xrightarrow{\text{Friedel}\,\,\text{craft }\!\!'\!\!\text{ s}}}}\,{{C}_{6}}{{H}_{5}}COC{{H}_{3}}+HCl\]


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