In BENZENE (C6H6), all six C-C bond lengths are equal (1.39 Å) because of:
AResonance / delocalisation of π electrons
BHydrogen bonding between adjacent carbons
CIonic character of C-C bonds in benzene
DUse of sp³ hybridisation in benzene's carbons
Answer & Solution
Correct answer: A. Resonance / delocalisation of π electrons
Benzene's 6 π electrons are DELOCALISED across all 6 carbons (resonance). All C-C bonds are equivalent: 1.39 Å (between single C-C of 1.54 + double C=C of 1.34). Explains extra stability.
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