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9.15     Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory:

                 (iii)[Co(C_{2}O_{4})_{3}]^{3-}

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(iii) In the given compound, the oxidation state of Co is +3. Its electronic configuration thus becomes d6.

Also, oxalate is a weak field ligand therefore pairing of electrons will not occur. 

                                     

Hence the complex is octahedral and paramagnetic in nature.

Posted by

Devendra Khairwa

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