Question

All the c-o bonds in carbonate ion are equal in length. Why

Answer 1

Because it performs resonance so because of its resonating property all the bonds have partial double bond character and results into equal bond lengths. Carbonate ion is a symmetric, trigonal planar molecule. All three carbon-oxygen bond distances are about 1.28 Angstroms long.

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Answer 2

in carbonate co3 minus the bond are equal due to resonance

resonance is possible in carbonate ion due to presence ion and double bond between carbon and oxygen .in resonance the electron are delocalise and form hybrid structure called trigonal planner in

which angle between two bond is 60 degree