What is the coordination number for each of the following complexes? [Fe(CN)_4(C

Question

What is the coordination number for each of the following complexes? [Fe(CN)_4(CO)_2]^2- [Mg(EDTA))^2- [Cu(NH_3)_4]^2+ Na(Au(Cl)_2] Enter the coordination numbers, in the order that the complexes are listed, as four integers separated by commas (e.g 1, 2, 3,4). What is the charge on each of the following complex ions? hexaaquachromium(II). [Cr(H_2O)_6)^? tris(carbonato)cobaltate(III), (Co(CO_3)_3)^? amminepentabromoplatmate(IV), [Pt(NH_3)Br_5]^? Express the charges numerically, in the order that the complexes are listed, separated by commas. For a nonzero charge, be sure to include the sign (e.g., +1,-2,+3).

Explanation / Answer

Coordination number is the total number of atoms ions or molecules surrounding the central atom or ion in a complex compound or crystal.

A) Fe is the central ion Coordination number is 6

B) Mg is the central ion and coordination number is 1

C) Cu is the central metal ion and coordination number is 4

D) Au is the central metal ion and coordination number is 2

Part B

A) Charge is -2

b) Charge is +3

c) Charge is +4

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