JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    Isopropyl alcohol is obtained by reacting which of the following alkenes with conc. \[{{H}_{2}}S{{O}_{4}}\] and \[{{H}_{2}}O\] [MP PMT 1999]

    A) Ethylene

    B) Propylene

    C) 2-methyl propene

    D) Isoprene

    Correct Answer: B

    Solution :

     \[\underset{{}}{\mathop{C{{H}_{3}}-CH=C{{H}_{2}}}}\,+{{H}_{2}}O\underset{\text{Markownikoff }\!\!'\!\!\text{ s rule}}{\mathop{\xrightarrow{\text{Conc}\text{.}\,{{H}_{2}}S{{O}_{4}}}}}\,\underset{\text{Isopropyl}\,\text{alcohol}}{\mathop{C{{H}_{3}}-\underset{\underset{OH}{\mathop{|\,\,\,\,\,}}\,}{\mathop{CH}}\,-C{{H}_{3}}}}\,\]


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