Outlining the structure and bonding in benzene. Comparing the Kekule structure and delocalised electron model. The use of bond length data and hydrogenation enthalpies of benzene and cyclohexene as evidence against the kekule structure.

Recap: 00:29
Kekule structure: 01:29
Carbon-carbon bond lengths in benzene: 03:29
Hydrogenation enthalpy of benzene: 04:31
Delocalised electron system: 06:31
Summary: 11:19

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