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JEE Main & Advanced AIEEE Solved Paper-2003

  • question_answer
    During dehydration of alcohols to alkenes by heating with concentrated \[{{H}_{2}}S{{O}_{4}}\] the initiation step is     AIEEE  Solved  Paper-2003

    A) protonation of alcohol molecule

    B) formation of carbocation

    C) elimination of water       

    D) formation of an ester         

    Correct Answer: A

    Solution :

    During dehydration of alcohols to alkenes, 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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