The enthalpy of hydrogenation of benzene is lower than would be expected from the Kekule structure. This is because it is thermodynamically more stable due to the delocalised electrons.
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Phenol
Aromatic alcohol.
An OH group is attached directly to a benzene ring.
Almost colourless crystalline solid.
It is synthesised via a multi-stage process.
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Reactions of phenol
It is a weak acid so it partially dissociates in water.
It can react with sodium hydroxide to form a salt.
It doesn't react with carbonates as it is not a strong enough acid.
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