1. [Co(en)(NH3)2(OH)2]Cl / +3 K2[CuCl4] / +2 K4[Fe(CN)6] / +3
In which one of the following is the oxidation number of the transition metal incorrect? Complex Species / Oxidation Number of Transition Metal
[Co(en)(NH3)2(OH)2]Cl / +3
K2[CuCl4] / +2
K4[Fe(CN)6] / +3
[Co2(CO)8] / 0
[Pt(NH3)2(OH2)Cl]3PO4 / +2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2. Which is not one of the families (Groups) of metals that form soluble ammine complexes with excess aqueous NH3?
zinc
copper
nickel
iron
cobalt 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3. 1 - monodentate 2 - bidentate 3 - tridentate 4 - tetradentate
Ligands may bond to a metal through one or more donor atoms. Which term below incorrectly designates the number of donor atoms given?
1 - monodentate
2 - bidentate
3 - tridentate
4 - tetradentate
6 - hexadentate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4. Which ligand formula is incorrectly matched with its name as a ligand
Which ligand formula is incorrectly matched with its name as a ligand? Ligand / Name
SO42- / sulfato
CO32- / carbonato
S2O32- / sulfido
F- / fluoro
O2- / oxo 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

5. Which of the following names for metals in complex anions is derived from the Latin stem?
zincate
platinate
ferrate
chromate
cobaltate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

6. Below is a list of formulas for complex compounds; each is matched with its name. One formula - name combination contains an error. Which one? Formula / Name
[Cr(NH3)3(OH)3] / triamminetrihydroxochromium(III)
K3[FeF6] / potassium hexafluoroferrate(III)
Na[Cu(CN)2] / sodium dicyanocuprate(II)
[Co(en)3](NO3)3/ tris(ethylenediamine)cobalt(III) nitrate
Na2[SnCl6] / sodium hexachlorostannate(IV) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

7. Below is a list of formulas for complex compounds and ions; each is matched with its name. One formula - name combination contains an error. Which one? Formula / Name
[AlF6]3- / hexafluoroaluminate ion
[PtCl4]2- / tetrachloroplatinate(II) ion
K3[SnCl6] / potassium hexachlorostannate(IV)
Mg[PdCl6] / magnesium hexachloropalladate(IV)
[Co(NH3)4Cl2]3PO4 / tetraamminedichlorocobalt(III) phosphate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

8. Below is a list of formulas for complex compounds and ions; each is matched with its name. One formula - name combination contains an error. Which one? Formula / Name
[Ni(NH3)6]2+ / hexaamminenickel(II) ion
[Co(NH3)3(H2O)2Cl]2SO4 / triamminediaquachlorocobalt(II) sulfate
K[Pt(NH3)Cl6] / potassium amminepentachloroplatinate(IV)
[Sn(C2O4)3]2- / tris(oxalato)stannate(IV) ion
[Co(NH3)4Cl2]3AsO4 / tetraamminedichlorocobalt(III) arsenate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

9. Below is a list of complex ions and their structures
Below is a list of complex ions and their structures. One pair is incorrectly matched. Which pair? Complex Ion / Structure
[Co(en)3] 3+ / octahedral
[Cu(en)2] 2+ / square planar
[Co(EDTA)] - / tetrahedral
[Ni(CN)4] 2- / square planar
[Cd(CN)4] 2-/font> / tetrahedral 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

10. Below is a list of complex species and their structures
Below is a list of complex species and their structures. One pair is incorrectly matched. Which pair? Complex Species / Structure
[Ni(CO)4] / square pyramidal
[Co(OH2)6] 2+ / octahedral
[Ag(NH3)2] + / linear
[Hg(CN)4] 2- / tetrahedral
[Zn(NH3)4] 2+ / tetrahedral 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

11. Below is a list of complex ions and their structures
Below is a list of complex ions and their structures. One pair is incorrectly matched. Which pair? Complex Ion / Structure
[AgCl2] - / linear
[CuCl2] - / angular
[ZnCl4] 2- / tetrahedral
[Cu(NH3)4] 2+ / square planar
[Zn(OH2)6] 2+ / octahedral 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

12. {image} {image} {image} {image} Which of the above structures has each of the three pairs of like ligands in the cis position to each other? I II
III
II and III IV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

13. I, II and III I, III and V IV and V I, II, III, IV and V
Which of the following answers contains all of the true statements concerning the tris(ethylenediamine)cobalt(III) ion, [Co(en)3] 3+ and no false statements? I. Each bidentate ethylenediamine ligand bonds in cis positions. II. The [Co(en)3] 3+exists in the form of a pair of nonsuperimposable mirror images. III. The coordination number of the Co metal ion is 3. IV. The [Co(en)3] 3+exists as a pair of optical isomers. V. The two optical isomers each rotate a plane of polarized light by equal amounts but in opposite directions.
I, II and III
I, III and V
IV and V
I, II, III, IV and V
I, II, IV and V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

14. If cobalt(II) nitrate is obtained by crystallization from aqueous solution, how many water < molecules should be associated with each formula unit of cobalt(II) nitrate in the solid state? 7 2 6 4 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

15. Which one of the following octahedral configurations has a low spin configuration?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50