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Identify the oxidation number of each metal center in the following coordination compounds.i. [Cr(en)2(CO)Cl]2+ii. Co(H2O)3(CN)3iii. [Ni(C2O4)2(NH3)2]2–iv. [Fe(OH)5]3–v. Cr(CO)6

Identify the oxidation number of each metal center in the following coordination compounds.
i. [Cr(en)₂(CO)Cl]²⁺
ii. Co(H₂O)₃(CN)₃
iii. [Ni(C₂O₄)₂(NH₃)₂]^2–
iv. [Fe(OH)₅]^3–
v. Cr(CO)₆