Describe the bonding of the central carbon atom in the carbonate ion, CO 3 2- ,

Question

Describe the bonding of the central carbon atom in the carbonate ion, CO32-, using valence bond theory.

The central carbon atom would form three ? bonds with the surrounding oxygen atoms by overlapping three of its sp2hybrid orbitals. One unhybridized d orbital would be used in ? bonding. The central carbon atom would form three ? bonds with the surrounding oxygen atoms by overlapping three of its p orbitals. The remaining s orbital would be used in ? bonding. The central carbon atom would form three ? bonds with the surrounding oxygen atoms by overlapping three of its sp2hybrid orbitals. The one unhybridized p orbital would be used in ? bonding. The central carbon atom would form three ? bonds with the surrounding oxygen atoms by overlapping three of its sp3d hybrid orbitals. The remaining sp3d orbitals would be used in ? bonding. The central carbon atom would form three ? bonds with the surrounding oxygen atoms by overlapping three of its sp3hybrid orbitals. The remaining unhybridized p orbital would be used in ? bonding.

Explanation / Answer

(c)

The central carbon atom would form three bonds with the surrounding oxygen atoms by overlapping three of its sp2hybrid orbitals. The one unhybridized p orbital would be used in bonding.

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