Part A What is the coordination number for each of the following complexes? [Co(

Question

Part A

What is the coordination number for each of the following complexes?

[Co(NH3)4Cl2]+

[Mg(EDTA)]2

[Zn(H2O)4]2+

Na[Ag(CN)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).

Part B

What is the charge on each of the following complex ions?

hexaaquairon(II), [Fe(H2O)6]?

tris(carbonato)nickelate(III),[Ni(CO3)3]?

amminepentabromoplatinate(IV),[Pt(NH3)Br5]?

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).

Part C

What is the oxidation number of the central metal ion in each of the following complexes?

[NiF2Br2]2

[Fe(H2O)4(NH3)2]3+

Na[Au(CN)2]

Express the oxidation numbers numerically, in the order that the complexes are listed, separated by commas. For a nonzero oxidation number, be sure to include the sign (e.g.,+1,-2,+3).

Explanation / Answer

Part A

[Co(NH3)4Cl2]+    ----     6

[Mg(EDTA)]2      ----     6

[Zn(H2O)4]2+       ----     4

Na[Ag(CN)2]        ----     2

Part B

hexaaquairon(II), [Fe(H2O)6]?                            ------     +2 (plus two)

tris(carbonato)nickelate(III),[Ni(CO3)3]?               ------     -3 (minus three)

amminepentabromoplatinate(IV),[Pt(NH3)Br5]?    -------    -1 (minus one)

Part C

[NiF2Br2]2                          ------     +2 (plus two)

[Fe(H2O)4(NH3)2]3+              ------     +3 (plus three)

Na[Au(CN)2]                          ------     +1 (plus one)

Thank You, all the best.

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