Kekule's theory proposed benzene has which bonding pattern?

Kekule's theory proposed benzene has which bonding pattern?

• A. Kekule proposed benzene has only single bonds
• B. Kekule proposed benzene has alternating single and double bonds in a ring
• C. Kekule proposed benzene has three double bonds and three bonds
• D. Kekule proposed benzene has no resonance in its structure

Answer: (B)

The idea being tested is how Kekulé pictured benzene’s bonding to explain its ring structure. Kekulé proposed that the six carbon atoms form a planar hexagonal ring with alternating single and double bonds around the ring. This arrangement fits benzene’s formula C6H6 and its cyclic, flat ring structure, and it was his way of showing how electrons could be shared around the ring to link all six carbons. In time, scientists learned that the real picture involves delocalized electrons over the entire ring, giving all C–C bonds in benzene roughly equal lengths and unusual stability. Kekulé’s alternating-bonds model was a crucial step that led to the idea of resonance and aromaticity, but the observable behavior of benzene is best understood as a delocalized system. So, the correct description is that benzene, in Kekulé’s view, possesses a ring with alternating single and Double bonds around it.

The idea being tested is how Kekulé pictured benzene’s bonding to explain its ring structure. Kekulé proposed that the six carbon atoms form a planar hexagonal ring with alternating single and double bonds around the ring. This arrangement fits benzene’s formula C6H6 and its cyclic, flat ring structure, and it was his way of showing how electrons could be shared around the ring to link all six carbons.

In time, scientists learned that the real picture involves delocalized electrons over the entire ring, giving all C–C bonds in benzene roughly equal lengths and unusual stability. Kekulé’s alternating-bonds model was a crucial step that led to the idea of resonance and aromaticity, but the observable behavior of benzene is best understood as a delocalized system.

So, the correct description is that benzene, in Kekulé’s view, possesses a ring with alternating single and Double bonds around it.