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Exercise 1: Determine the oxidation number for each of the transition metal atoms or ions

1.

[V(OH2)6](NO3)3

2.

(NH4)2[CoCl4]

3.

[Co(py)4]Br2

4.

K4[Mn(CN)6]

5.

[Co(P(CH3)3)4]2(SO4)3

6.

Ni(NH3)4Cl2

Exercise 2: Put the following compounds together to give the formula of the compound.

Remember to use [ ] to identify the complex ion in ionic complexes.

Where you need a counterion to produce a neutral compound, use either K+ or SO4-2.

Remember to list the cation first, followed by anion for ionic compounds.

Metal/charge Ligands Formula

1.

V+3 Four H2O and two SCN[V(OH2)4(SCN)2]SO4

2.

Co+2 Four Br

3.

Ru+3 Three oxalates

4.

Os+3 Three dppe

5.

Ni+2 Two Br-, two NH3, and two CN

6.

Fe+3 Six CN-

Exercise 3:  Name the following.

1.

K4[Ni(CN)4]

2.

(NH4)3[Fe(SCN)6]

3.

Na2[Ni(CN)4]

4.

[Fe(ox)3]3-

5.

[Co(NH3)5Cl]Br2

6.

[Cr(OH2)4Cl2]Cl

7.

[Pt(NH3)2]Cl2

8.

Na2[MoOCl4]

9.

[Cr(OH2)6](NO3)3

10.

[Fe(NH3)6]SO4

11.

(NH4)2[CoCl4]

12.

Cr(NH3)4Cl2

13.

[Co(P(CH3)3)4]2(SO4)3

14.

[Ni(OH2)6]Cl2

Exercise 4:  Write formulas for the following.

1.

potassium hexacyanoferrate(III)

2.

sodium hexafluoroaluminate

3.

Pentaaquabromomanganese(III) sulfate

4.

hexaamminechromium(III) nitrate

5.

sodium tetrahydroxochromate(III)

6.

hexaammineruthenium(III) tetrachloronickelate(II)

7.

tetraamminecopper(II) pentacyanohydroxoferrate(III)

8.

potassium diaquatetrabromovanadate(III)

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