BHU PMT BHU PMT (Screening) Solved Paper-2009

  • question_answer
    On heating a mixture of sodium benzoate and sodalime...... is formed.

    A)  toluene              

    B)  phenol

    C)   benzene           

    D)  benzoic acid

    Correct Answer: C

    Solution :

                     On heating a mixture of sodium benzoate and sodalime, benzene is formed. \[\underset{sodium\text{ }benzoate}{\mathop{{{C}_{6}}{{H}_{5}}COONa}}\,+NaOH\xrightarrow[Decarboxylation]{CaO,\,Heat}\] \[\underset{benzene}{\mathop{{{C}_{6}}{{H}_{6}}}}\,+N{{a}_{2}}C{{O}_{3}}\]


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