WB JEE Medical WB JEE Medical Solved Paper-2012

  • question_answer
    Upon treatment with \[Al{{(OEt)}_{3}}\]followed by usual reactions (work up), \[C{{H}_{3}}CHO\]will produce

    A) only\[C{{H}_{3}}COOC{{H}_{2}}C{{H}_{3}}\]

    B)  a mixture of \[C{{H}_{3}}COOH\]and EtOH

    C)  only \[C{{H}_{3}}COOH\]

    D)  only \[EtOH\]

    Correct Answer: A

    Solution :

     \[\underset{\text{acetaldehyde}}{\mathop{2C{{H}_{3}}CHO}}\,\xrightarrow[\text{Tischenko}\,\text{reaction}]{\text{Al(O}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{{\text{)}}_{\text{3}}}}\]\[\underset{\text{ethyl}\,\text{acetate}}{\mathop{\text{C}{{\text{H}}_{\text{3}}}\text{COOC}{{\text{H}}_{\text{2}}}\text{C}{{\text{H}}_{\text{3}}}}}\,\]


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