NomenclatureWorking through

Naming Compounds and Writing

Formulas with ExamplesCreated by James Kirby, Quinnipiac University

(james.kirby@quinnipiac.edu) and posted on VIPEr (www.ionicviper.org) on July 2, 2015. Copyright James Kirby 2015. The work is licensed under the Creative Commons Attribution Non-commercial Share Alike License. To view a copy of this license, visit http://creativecommons.org/about/license/.

Q1: The formula of the ionic compound formed by sodium, Na (Group 1 or IA), and oxygen, O (Group 16 or VIA), is

1) NaO

2) NaO2

3) Na2O

4) Na2O2

Q2: Na2O is

1) disodium monoxide

2) disodium oxide

3) sodium monoxide

4) sodium oxide

5) sodium(II) oxide

Q3: The formula of the ionic compound formed by calcium, Ca (Group 2 or IIA), and oxygen, O (Group 16 or VIA), is

1) CaO

2) CaO2

3) Ca2O

4) Ca2O2

Q4: CaO is

1) calcium monoxide

2) calcium oxide

3) calcium(II) monoxide

4) calcium(II) oxide

5) calcium oxide(2-)

Q5: CoO is

1) cobalt monoxide

2) cobalt oxide

3) cobalt(II) monoxide

4) cobalt(II) oxide

5) cobalt(III) monoxide

6) cobalt(III) oxide

7) monocobalt monoxide

Q6: The formula for tetrachlorferrate(III) is

1) [FeCl3]+

2) [FeCl3]3-

3) [FeCl3]3+

4) [FeCl4]-

5) [FeCl4]3-

Q7: The formula of hexaquacobalt(II) is

1)[Co(H2O)4]2-

2)[Co(H2O)6]2-

3)[Co(H2O)4]2+

4)[Co(H2O)6]2+

5)[Co(H2O)4]3+

6)[Co(H2O)6]3+

Q8: The formal name of cisplatin (below), which consists of Pt2+ (blue center), Cl-(green), and NH3 (blue and white ligand), is1) cis-diamminedichloroplatinate(II)

2) cis-diamminedichloroplatinum(II)

3) cis-dichlorodiammineplatinate(II)

4) cis-dichlorodiammineplatinum(II)

5) trans-diamminedichloroplatinate(II)

6) trans-diamminedichlororplatinum(II)

7) trans-dichlorodiammineplatinate(II)

8) trans-dichlorodiammineplatinum(II)

figure by Ben Mills (Benjah-bmm27)http://commons.wikimedia.org/wiki/File:Cisplatin-3D-balls.png

Q9: The name of the following complex is:[Co(NH3)5Cl]SO4

1) chloropentamminecobalt(II) sulfate

2) chloropentamminecobalt(III) sulfate

3) chloropentamminesulfatocobalt

4) chloropentammoniasulfatocobalt

5) pentamminechlorocobalt(II) sulfate

6) pentamminechlorocobalt(III) sulfate

7) pentammoniachlorocobalt(III) sulfate

Q10: The name of the following complex is: [Co(en)2Cl2]Cl

1) bis(ethylenediamine)dichlorocobalt(II) chloride

2) bis(ethylenediamine)dichlorocobalt(III) chloride

3) dichlorodiethylenediaminecobalt(II) chloride

4) dichlorodbis(ethylenediamine)cobalt(II) chloride

5) dichlorodbis(ethylenediamine)cobalt(III) chloride

6) dichlorodiethylenediaminecobaltate(II) chloride

7) dichlorodiethylenediaminecobaltate(III) chloride

8) dichlorobis(ethylenediamine)cobaltate(II) chloride

9) dichlorobis(ethylenediamine)cobaltate(III) chloride

Q11: The formula for bis(μ-hydroxo)-bis(tetraamminecobalt(II)) is1) (NH3)4Co(OH)2

2) (NH4)2Co(OH)2

3) (NH3)4Co(OH)2Co(NH3)4

4) [(NH3)4Co(OH)2Co(NH3)4]2+

5) (NH4)2Co(OH)2Co(NH4)2

Q12: The name of the complex below, consisting of Co3+ (center), Cl-(green), and NH3, is1) cis-triamminetrichlorocobaltate

2) cis-trichlorotriamminecobalt(III)

3) fac-triamminetrichlorocobaltate

4) fac-trichlorotriamminecobalt(III)

5) mer-triamminetrichlorocobalt(III)

6) mer-trichlorotriamminecobaltate

7) trans-triamminetrichlorocobalt(III)

8) trans-trichlorotriamminecobaltate

https://en.wikipedia.org/wiki/Coordination_complex#/media/File:Mer-trichlorotriamminecobalt(III).png

figure by Ben Mills (Benjah-bmm27)