Question 1

Choose the bidentate ligand from the substances below.

Accepted Answer

A)  ethylenediamine 
B)  EDTA 
C)  cyanide ion 
D)  ammonia 
E)  carbon monoxide 
A)  ethylenediamine 
B)  EDTA 
C)  cyanide ion 
D)  ammonia 
E)  carbon monoxide

Question 2

How many unpaired electrons would you expect for the complex ion [Co(OH)6]3-?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  0 
E)  3 
A)  1 
B)  2 
C)  4 
D)  0 
E)  3

Question 3

The complex ion [Ni(NH3)6]2+ has a maximum absorption near 580 nm. Calculate the crystal field splitting energy (in kJ mol-1) for this ion.

Accepted Answer

A)  114 kJ mol-1 
B)  292 kJ mol-1 
C)  343 kJ mol-1 
D)  206 kJ mol-1 
E)  485 kJ mol-1 
A)  114 kJ mol-1 
B)  292 kJ mol-1 
C)  343 kJ mol-1 
D)  206 kJ mol-1 
E)  485 kJ mol-1

Question 4

Name the following: [Fe(H2O)4Br2]Cl

Accepted Answer

A)  tetraaquadibromoiron(II) chloride 
B)  dibromotetrahydroironchloride 
C)  dibromotetrahydroiron(II) chloride 
D)  dibromotetraquairon(II) chloride 
E)  tetraaquadibromoiron(III) chloride 
A)  tetraaquadibromoiron(II) chloride 
B)  dibromotetrahydroironchloride 
C)  dibromotetrahydroiron(II) chloride 
D)  dibromotetraquairon(II) chloride 
E)  tetraaquadibromoiron(III) chloride

Question 5

Which of the following is a type of structural isomerism?

Accepted Answer

A)  linkage isomers 
B)  cis-trans isomers 
C)  fac-mer isomers 
D)  enantiomers 
E)  optical isomers 
A)  linkage isomers 
B)  cis-trans isomers 
C)  fac-mer isomers 
D)  enantiomers 
E)  optical isomers

Question 6

Determine the chemical formula for the compound tetracarbonylplatinum(IV) chloride.

Accepted Answer

A)  [Pt(CO)4]Cl2 
B)  [Pt(CO)4]Cl4 
C)  [Pt(CO)4Cl4]2- 
D)  [PtCl4](CO)4 
E)  [Pt(CO)4Cl4]4- 
A)  [Pt(CO)4]Cl2 
B)  [Pt(CO)4]Cl4 
C)  [Pt(CO)4Cl4]2- 
D)  [PtCl4](CO)4 
E)  [Pt(CO)4Cl4]4-

Question 7

Name the following: Fe[AlF6]

Accepted Answer

A)  iron(II) hexafluoroaluminate 
B)  iron(II) hexafluoroaluminum 
C)  iron(III) hexafluoroaluminate 
D)  iron(I) aluminumhexafluoride 
E)  aluminumhexafluoroferrate 
A)  iron(II) hexafluoroaluminate 
B)  iron(II) hexafluoroaluminum 
C)  iron(III) hexafluoroaluminate 
D)  iron(I) aluminumhexafluoride 
E)  aluminumhexafluoroferrate

Question 8

Match the following.
-optical

Accepted Answer

A) [Cr(en)3]3+ 
B) [Zn(NH3)2Cl2]Br2 and [Zn(NH3)2Br2]Cl2 
C) [Ni(CN)2(OH)2]2- 
D) [Cr(NH3)3(CO)3]3+ 
E) [Cu(SCN)4]3- and [Cu(NCS)4]3- 
A) [Cr(en)3]3+ 
B) [Zn(NH3)2Cl2]Br2 and [Zn(NH3)2Br2]Cl2 
C) [Ni(CN)2(OH)2]2- 
D) [Cr(NH3)3(CO)3]3+ 
E) [Cu(SCN)4]3- and [Cu(NCS)4]3-

Question 9

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

Accepted Answer

A)  [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+ 
B)  [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)2(H2O)4]Br2 
C)  [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)4(H2O)2]Cl2 
D)  [Cu(CO)5Br]Cl and [Cu(CO)5Cl]Br 
E)  [MnCl3Br]2- and [MnClBr3]2- 
A)  [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+ 
B)  [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)2(H2O)4]Br2 
C)  [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)4(H2O)2]Cl2 
D)  [Cu(CO)5Br]Cl and [Cu(CO)5Cl]Br 
E)  [MnCl3Br]2- and [MnClBr3]2-

Question 10

Determine the chemical formula for the compound tris(ethylenediamine)chromium(III) chloride.

Accepted Answer

A)  [Cr(NH2CH2CH2NH2)3]Cl3 
B)  [(NH2CH2CH2NH2)3]Cr3+ 
C)  [Cr(NH2CH2CH2NH2)3]3+ 
D)  Cl2[Cr(NH2CH2CH2NH2)4] 
E)  [Cr(NH2CH2CH2NH2)2]Cl2 
A)  [Cr(NH2CH2CH2NH2)3]Cl3 
B)  [(NH2CH2CH2NH2)3]Cr3+ 
C)  [Cr(NH2CH2CH2NH2)3]3+ 
D)  Cl2[Cr(NH2CH2CH2NH2)4] 
E)  [Cr(NH2CH2CH2NH2)2]Cl2

Question 11

Which of the following species is diamagnetic?

Accepted Answer

A)  an isolated gas-phase Cr3+ ion 
B)  a high-spin octahedral Cr2+ complex 
C)  an isolated gas-phase Cu2+ ion 
D)  a low-spin octahedral Co3+ complex 
A)  an isolated gas-phase Cr3+ ion 
B)  a high-spin octahedral Cr2+ complex 
C)  an isolated gas-phase Cu2+ ion 
D)  a low-spin octahedral Co3+ complex

Question 12

Name the following: [Fe(CO)6][Ag(CN)2]2

Accepted Answer

A)  iron(III) hexacarbonyl silverdicyanide 
B)  hexacarbonyliron(II) dicyanoargentate 
C)  iron(II) carbonyl silvercyanide 
D)  hexacarbonyliron(III) dicyanosilvate 
E)  iron(II) hexacarbonyl silvercyanide 
A)  iron(III) hexacarbonyl silverdicyanide 
B)  hexacarbonyliron(II) dicyanoargentate 
C)  iron(II) carbonyl silvercyanide 
D)  hexacarbonyliron(III) dicyanosilvate 
E)  iron(II) hexacarbonyl silvercyanide

Question 13

Explain how EDTA is used to treat lead poisoning.

Accepted Answer

A calcium complex of EDTA is a

Question 14

Choose the electron configuration for Cr3+.

Accepted Answer

A)  [Ne]3s23p6 
B)  [Ar]4s13d2 
C)  [Ar]4s23d1 
D)  [Ar]4s23d7 
E)  [Ar]3d3 
A)  [Ne]3s23p6 
B)  [Ar]4s13d2 
C)  [Ar]4s23d1 
D)  [Ar]4s23d7 
E)  [Ar]3d3

Question 15

Which of the following complex ions absorbs light of the shortest wavelength?

Accepted Answer

A)  [FeCl6]3- 
B)  [Fe(OH)6]3- 
C)  [Fe(CN)6]3- 
D)  [Fe(H2O)6]3+ 
E)  [FeI6]3- 
A)  [FeCl6]3- 
B)  [Fe(OH)6]3- 
C)  [Fe(CN)6]3- 
D)  [Fe(H2O)6]3+ 
E)  [FeI6]3-

Question 16

Determine the chemical formula for the compound diamminetetraaquairon(II) chloride.

Accepted Answer

A)  [Fe(NH3)2(H2O)4Cl] 
B)  [Fe(NH3)2][(H2O)4Cl] 
C)  [Fe(NH3)2(H2O)4]Cl2 
D)  [Fe(H2O)4][(NH3)2Cl] 
E)  [Fe(NH3)2]Cl3·4H2O 
A)  [Fe(NH3)2(H2O)4Cl] 
B)  [Fe(NH3)2][(H2O)4Cl] 
C)  [Fe(NH3)2(H2O)4]Cl2 
D)  [Fe(H2O)4][(NH3)2Cl] 
E)  [Fe(NH3)2]Cl3·4H2O

Question 17

How many unpaired electrons would you expect for the complex ion [Fe(CN)6]4-?

Accepted Answer

A)  5 
B)  2 
C)  6 
D)  4 
E)  0 
A)  5 
B)  2 
C)  6 
D)  4 
E)  0

Question 18

Choose the electron configuration for Ti2+.

Accepted Answer

A)  [Ar]3d2 
B)  [Ar]4s23d2 
C)  [Ar]4s23d4 
D)  [Ar]4s2 
E)  [Ne]3s23p6 
A)  [Ar]3d2 
B)  [Ar]4s23d2 
C)  [Ar]4s23d4 
D)  [Ar]4s2 
E)  [Ne]3s23p6

Question 19

What is the ground-state electron configuration for Cr3+ (Z = 2 4)?

Accepted Answer

A)  [Ar] 4s23d7 
B)  [Ar] 4s23d1 
C)  [Ar] 3d3 
D)  [Ar] 4s13d2 
A)  [Ar] 4s23d7 
B)  [Ar] 4s23d1 
C)  [Ar] 3d3 
D)  [Ar] 4s13d2

Question 20

What is the ground-state electron configuration for the element chromium (Z = 24)?

Accepted Answer

A)  [Ne] 4s23d4 
B)  [Ar] 4s23d4 
C)  [Ar] 4s13d5 
D)  [Ar] 3d6 
A)  [Ne] 4s23d4 
B)  [Ar] 4s23d4 
C)  [Ar] 4s13d5 
D)  [Ar] 3d6

Exam 25: Transition Metals and Coordination Compounds

Choose the bidentate ligand from the substances below.

How many unpaired electrons would you expect for the complex ion [Co(OH)6]3-?

The complex ion [Ni(NH3)6]2+ has a maximum absorption near 580 nm. Calculate the crystal field splitting energy (in kJ mol-1) for this ion.

Name the following: [Fe(H2O)4Br2]Cl

Which of the following is a type of structural isomerism?

Determine the chemical formula for the compound tetracarbonylplatinum(IV) chloride.

Name the following: Fe[AlF6]

Match the following. -optical

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

Determine the chemical formula for the compound tris(ethylenediamine)chromium(III) chloride.

Which of the following species is diamagnetic?

Name the following: [Fe(CO)6][Ag(CN)2]2

Explain how EDTA is used to treat lead poisoning.

Choose the electron configuration for Cr3+.

Which of the following complex ions absorbs light of the shortest wavelength?

Determine the chemical formula for the compound diamminetetraaquairon(II) chloride.

How many unpaired electrons would you expect for the complex ion [Fe(CN)6]4-?

Choose the electron configuration for Ti2+.

What is the ground-state electron configuration for Cr3+ (Z = 2 4)?

What is the ground-state electron configuration for the element chromium (Z = 24)?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

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The Quantum-Mechanical Model of the Atom

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Filters

How many unpaired electrons would you expect for the complex ion [Co(OH)₆]^3-?

The complex ion [Ni(NH₃)₆]²⁺ has a maximum absorption near 580 nm. Calculate the crystal field splitting energy (in kJ mol^-1) for this ion.

Name the following: [Fe(H₂O)₄Br₂]Cl

Name the following: Fe[AlF₆]

Name the following: [Fe(CO)₆][Ag(CN)₂]₂

Choose the electron configuration for Cr³⁺.

How many unpaired electrons would you expect for the complex ion [Fe(CN)₆]^4-?

Choose the electron configuration for Ti²⁺.

What is the ground-state electron configuration for Cr³⁺ (Z = 2 4)?