JEE Main & Advanced Chemistry GOC Question Bank Dipole moment, Resonance and reaction intermediates

  • question_answer An aromatic compounds among other things should have a \[\pi \]-electron cloud containing electrons where \[n\] can't be [J & K 2005]

    A) 1/2

    B) 3

    C) 2

    D) 1

    Correct Answer: A

    Solution :

    According to Huckel ruel, all aromatic compounds must have \[(4n+2)\pi \]electrons where \[n\] is an integer, i.e., \[n=0,\,1,\,2,\,3,\,...\] and possesses unusual stability due to the complete delocalisation of \[\pi \]-electrons.

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