Explain d-electron configuration and the correct names

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Give the oxidation state of the metal , its d-electron configuration and the correct names (IUPAC system) for each of the following complexes.

(A) [Cr(NH3)6](NO3)3
(B) [Fe(en)3]3(PO4)2
(C) (NH4)3[V(CN)7]
(D) Na2[Cr(CO)5]

Reference no: EM13210293

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