AIIMS AIIMS Solved Paper-2014

  • question_answer
    Assertion p-toluidine is a stronger base than m -toluene. Reason Methyl group from m ?position exerts smaller electron donating inductive (\[+I\]) effect than from p-position.

    A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion

    B) Both Assertion and Reason are true and Reason is not the correct explanation of Assertion

    C) Assertion is true but Reason is false

    D) Both Assertion and Reason are false

    Correct Answer: C

    Solution :

                    \[-C{{H}_{3}}\] group exerts greater inductive effect from m-reposition than from p-position. However, it is the hyperconjugation effect of \[-C{{H}_{3}}\] from p-position which increases basic strength of p-isomer.


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