BCECE Medical BCECE Medical Solved Papers-2006

  • question_answer
    Formation of diethyl ether from ethanol is based on a :

    A)  dehydration reaction

    B)  dehydrogenation reaction

    C)  hydrogenation reaction

    D)  homolytic fission reaction

    Correct Answer: A

    Solution :

    Ethanol, on dehydration in presence of cone. \[{{H}_{2}}S{{O}_{4}}{{140}^{o}}C\], gives diethyl ether.                 \[2{{C}_{2}}{{H}_{5}}OH\xrightarrow[{{140}^{o}}C]{conc.\,{{H}_{2}}S{{O}_{4}}}\]                 \[\underset{diethyl\text{ }ether}{\mathop{{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}}}\,-{{H}_{2}}O\]


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