RAJASTHAN PMT Rajasthan - PMT Solved Paper-1995

  • question_answer
    Which of the following will form most stable carbonium ion on dehydration:

    A)  \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,-{{(C{{H}_{3}})}_{2}}\]

    B)  \[C{{H}_{3}}-CH-C{{H}_{2}}C{{H}_{3}}\]

    C)  \[C{{H}_{3}}\text{ }C{{H}_{2}}\text{ }C{{H}_{2}}\text{ }C{{H}_{2}}\text{ }OH\]

    D)  \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{2}}OH\]

    Correct Answer: A

    Solution :

    Tertiary alcohol will form most stable carbonium ion on dehydration.


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