Notes

Benzene…

Benzene is an aromatic hydrocarbon with the molecular formula C6H6.
(i) Discoverer Michael Faraday
(ii) C-hybridisation sp2
(iii) Geometry hexagonal
(iv) Bond angle 120°
(v) C—C bond length 1.39Ǻ
(vi) C—H bond length 1.09Ǻ
(vii) Resonance in benzene.