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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2008

  • question_answer
    During dehydration of alcohols to alkenes by heating with concentrated \[{{H}_{2}}S{{O}_{4}}\] the initiation step is

    A)  protonation of alcohol molecule

    B)         formation of carbocation

    C)         elimination of water

    D)         formation of an ester

    Correct Answer: A

    Solution :

    Protonation of \[-OH\] is first step. Conversion of poor leaving group \[(-OH)\] into good leaving group\[(-\overset{+}{\mathop{O}}\,{{H}_{2}})\]


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