JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    On passing vapours of an organic liquid over finely divided Cu at \[573K\] the product was an alkene. This reaction is

    A) Catalytic oxidation of primary alcohol

    B) Catalytic dehydrogenation of secondary alcohol

    C) Catalytic dehydrogenation of tertiary alcohol

    D) Catalytic dehydration of tertiary alcohol

    Correct Answer: D

    Solution :

    \[C{{H}_{3}}-\underset{\underset{\,C{{H}_{3}}}{\mathop{|\,\,\,\,\,}}\,}{\overset{\overset{\,C{{H}_{3}}}{\mathop{|\,\,\,\,\,\,\,}}\,}{\mathop{C\,\,-}}}\,OH\underset{{{300}^{o}}C}{\mathop{\xrightarrow{Cu}}}\,\underset{\text{Isobutene}}{\mathop{C{{H}_{3}}-\underset{\underset{\,C{{H}_{2}}\,\,}{\mathop{||\,\,\,\,\,\,\,\,}}\,}{\overset{\overset{C{{H}_{3}}\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{C\,\,\,+\,}}}\,{{H}_{2}}O}}\,\]


You need to login to perform this action.
You will be redirected in 3 sec spinner