2. Solved Papers
  3. JAMIA MILLIA ISLAMIA

JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2006

  • question_answer
        \[C-H\]bond energy is about 101 kcal/mol for methane, ethane and other alkanes but is only 77 kcal/mol for\[C-H\]bond of\[C{{H}_{3}}\]in toluene. This is because

    A)  of inductive effect due to\[-C{{H}_{3}}\]in toluene

    B)  of the presence of benzene ring in toluene

    C)  of resonance among the structures of benzyl radical in toluene

    D)  aromaticity of toluene

    Correct Answer: C

    Solution :

                    \[\therefore \]\[C-H\]bond in toluene has partial double bond character due to resonance \[C-H\]bond in toluene has less energy as compared to others.


You need to login to perform this action.
You will be redirected in 3 sec spinner