VMMC VMMC Medical Solved Paper-2005

  • question_answer
    Formation of diethyl ether from ethane 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 conc. \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] at \[\text{140}{{\,}^{\text{o}}}\text{C,}\] gives diethyl ether,      \[\text{2}{{\text{C}}_{2}}{{H}_{5}}OH\xrightarrow[\text{140}{{\,}^{\text{o}}}\text{C}]{\text{conc}\text{.}{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}}\] \[\underset{\text{diethyl}\,\text{ehter}}{\mathop{{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}}}\,+{{H}_{2}}O\]


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