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Bond length
6 equal length carbon - carbon bonds & length b/w single and doubleC-C bonds have order of 1.5
파일
Experimental value is less exothermic than theoretical value of kekule structure
Less energy produced = lower energy state/more stable
*Delocalisation minimises repulsion b/w electrons
Substitution preserves the stability of the delocalised 𝛑 system.
Electrophilic addition removes the delocalised 𝛑 system so energetically not favored
https://lh7-us.googleusercontent.com/HiH7T6ns61AM1iqDpRC1vZoeaZoKBgI2aBr9Qyzhwda0j7pdOoWqbDuGkr1qqchBu8S41-mU2YwCAVJhpczVFdVtwsmJt6HLjip_3x4pM8wT99-Mipqxl49bsfdWI8ykg-jD-o4oXBTfyaEBAGPrAmc