JCECE Medical JCECE Medical Solved Paper-2009

  • question_answer
    Which of the following compounds when heated with CO at \[\text{150}{{\,}^{\text{o}}}\text{C}\]and 500 atm pressure in presence\[\text{B}{{\text{F}}_{\text{3}}}\]forms ethyl propionate?

    A) \[{{C}_{2}}{{H}_{5}}OH\]

    B)  \[C{{H}_{3}}OC{{H}_{3}}\]

    C)  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]

    D)  \[C{{H}_{3}}O{{C}_{2}}{{H}_{5}}\]

    Correct Answer: C

    Solution :

     Diethyl ether when heated with CO at \[\text{150}{{\,}^{\text{o}}}\text{C}\]am 500 atm pressure in presence of\[\text{B}{{\text{F}}_{\text{3}}}\] forms ethy propionate. \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}+{{H}_{5}}+CO\xrightarrow[\text{500}\,\text{atm}]{\text{150}{{\,}^{\text{o}}}\text{C }\!\!\Delta\!\!\text{ }}{{C}_{2}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}\]


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