Which statement provides experimental evidence that supports the delocalised model of benzene and not the Kekulé model?
Benzene readily undergoes addition reactions with bromine at room temperature.
The carbon-carbon bond lengths in benzene alternate between single and double bonds.
The enthalpy change of hydrogenation of benzene is less exothermic than predicted for cyclohexa-1,3,5-triene.
Benzene has a puckered ring structure with non-planar carbon atoms.
