CMC Medical CMC-Medical Ludhiana Solved Paper-2009

  • question_answer
    Which of the following compounds when heated with CO at \[150{}^\circ C\] and 500 atm pressure in presence of\[B{{F}_{3}}\]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 \[150{}^\circ C\] and 500 atm pressure in presence of\[B{{F}_{3}}\]forms ethyl propionate. \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+CO\xrightarrow[500\,atm]{150{}^\circ C\,\Delta }\underset{ethyl\,propionate}{\mathop{{{C}_{2}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}}}\,\]


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