The immense thermodynamic stability of benzene is quantified by its resonance energy. What is the ap β Hydrocarbons Chemistry Question
Question
The immense thermodynamic stability of benzene is quantified by its resonance energy. What is the approximate accepted value of this resonance stabilization energy?
Answer: A
π‘ Solution & Explanation
Comparing the experimental heat of hydrogenation of benzene to a hypothetical "cyclohexatriene", the delocalized aromatic system is found to be more stable by about $151 \text{ kJ/mol}$ (or $\approx 36 \text{ kcal/mol}$).
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