JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    Dehydration of alcohol, in presence of cone. \[{{H}_{2}}S{{O}_{4}},\]is an example of:

    A)  nucleophilic substitution

    B)         electrophilic substitution

    C)         elimination

    D)         electrophilic addition

    Correct Answer: C

    Solution :

    It is an elimination reaction \[C{{H}_{3}}-C{{H}_{2}}OH\xrightarrow[{{H}^{+}}]{\text{conc}\text{.}\,{{H}_{2}}S{{O}_{4}}}C{{H}_{3}}-C{{H}_{2}}\overset{+}{\mathop{O}}\,{{H}_{2}}\] \[C{{H}_{2}}=C{{H}_{2}}\xleftarrow[-{{H}^{+}}]{}C{{H}_{3}}-\overset{+}{\mathop{C}}\,{{H}_{2}}\xleftarrow{-{{H}_{2}}O}\]


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