AIIMS AIIMS Solved Paper-2004

  • question_answer

    Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as

    Assertion: The major products formed by heating \[N{{O}_{2}}\] with \[NO_{2}^{+}\] are \[{{C}_{6}}{{H}_{5}}OH\] and \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\]. Reason: Benzyl cation is more stable than methyl cation.

    A) If both assertion and reason are true and reason is not the correct explanation of assertion.

    B) If both assertion and reason are true but reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    Correct Answer: A

    Solution :

    Reaction of \[HI\] with \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OC{{H}_{3}}\] follow \[S{{E}^{1}}\] mechanism which lead to the formation of carbonium ion. Benzyl cation is more stable than methyl cation, so it is formed as the intermediate which leads to the formations of \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}I\] and \[C{{H}_{3}}OH\]


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