PPT Slide

12

• The carbon-to-carbon bond order in benzene is (9 e– pairs / 6 linkages), also 1 1/ 2.

• In the carbonate ion, CO 32– , (24 e-) three resonance structures can be drawn.

• Each has 4 electron pairs shared among 3 linkages, so the bond  order is 1 1 ¹ 3 or 1.33.

Delocalized bonds in the benzene structure.

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