Heating any of the three isomeric dimethylbenzenes with hf, Ask an Expert

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Heating any of the three isomeric dimethylbenzenes with HF in the presence of BF3 to 80 C leads to the equilibrium mixture shown below:

1,2-Dimethylbenzene: 18% , 1,3-Dimethylbenzene: 58% , 1,4-Dimethylbenzene: 24%

Why is the equilibrium concentration of the 1,2-isomer the lowest?

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Category:- Chemistry
Reference No.:- M9446138

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