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JIPMER Jipmer Medical Solved Paper-2004

  • question_answer
    What is X in the following sequence? \[Ar.\,{{N}_{2}}Cl\xrightarrow[KCN]{CuCN}Z\xrightarrow{H.OH}Y\xrightarrow[\Delta ]{soda-\lim e}X\]

    A)  Benzoic acid                     

    B)  Sodium benzoate                          

    C)  Benzaldehyde

    D)         Benzene

    Correct Answer: D

    Solution :

    The reaction sequence is as follows: \[Ar{{N}_{2}}Cl\xrightarrow[Sandmeyers\,\,reaction]{CuCN/KCN}\]                \[ArCN\xrightarrow{H.OH}\underset{benzoic\,\,acid}{\mathop{{{C}_{6}}{{H}_{5}}COOH}}\,\] \[\xrightarrow[decarboxylation]{\Delta ,\,sodalime}{{C}_{6}}{{H}_{6}}\]


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