the Kekule formula
The structure of benzene has been to extend studied. The experimental results indicate that the formula has the shape of regular hexagon, and the carbon atoms in its vertices and a hydrogen atom attached to each carbon. Have proposed various structural formulas to suit these facts, but the most widely accepted today is to propose, in 1865, the German chemist Friedrich August Kekulé (1829-1896), which is the formula presented earlier.
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