what is a structer of CO3 nd explain the formation of bond?

Asked by suvrat sharma | 2nd Mar, 2011, 12:00: AM

Expert Answer:

Dear Student

If you are asking about the carbonate ion, CO32-.

The carbonate ion is the simplest oxocarbon anion. It consists of one carbon atom surrounded by three identical oxygen atoms, in a trigonal planar arrangement. It has a molecular mass of 60.01 daltons and carries a negative two formal charge. It is the conjugate base of the hydrogen carbonate (bicarbonate) ion, HCO3, which is the conjugate base of H2CO3, carbonic acid.

 

This structure is incompatible with the observed symmetry of the ion, which implies that the three bonds are equally long and that the three oxygen atoms are equivalent. As in the case of the isoelectronic nitrate ion, the symmetry can be achieved by a resonance between three structures:

 

We hope that clarifies your query.

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Answered by  | 2nd Mar, 2011, 05:36: PM

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