Question 1

How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na3[FeCl6] in water?

Accepted Answer

A)  4 
B)  10 
C)  2 
D)  9 
E)  1 
A)  4 
B)  10 
C)  2 
D)  9 
E)  1

Question 2

How many unpaired electrons would you expect for the complex ion: [Co(NH3 )6]4+?

Accepted Answer

A)  1 
B)  0 
C)  5 
D)  2 
E)  3 
A)  1 
B)  0 
C)  5 
D)  2 
E)  3

Question 3

Identify the geometry of [PtCl4]2-.

Accepted Answer

A)  tetrahedral 
B)  square planar 
C)  linear 
D)  octahedral 
E)  trigonal bipyramidal 
A)  tetrahedral 
B)  square planar 
C)  linear 
D)  octahedral 
E)  trigonal bipyramidal

Question 4

Choose the electron configuration for V3+.

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 5

Which of the following compounds can exhibit fac-mer isomerism?

Accepted Answer

A)  [Cu(CO)5I]+ 
B)  [Fe(H2O)3(CO)3]3+ 
C)  [Ni(CO)5NO2]2+ 
D)  [V(NH3)2(H2O)4]2+ 
E)  [Cr(H2O)4Br2]+ 
A)  [Cu(CO)5I]+ 
B)  [Fe(H2O)3(CO)3]3+ 
C)  [Ni(CO)5NO2]2+ 
D)  [V(NH3)2(H2O)4]2+ 
E)  [Cr(H2O)4Br2]+

Question 6

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

Accepted Answer

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

Question 7

Name the following: Fe[AlF6]

Accepted Answer

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

Question 8

Identify the compound that an effective anticancer agent.

Accepted Answer

A)  KCN 
B)  CO 
C)  EDTA 
D)  carbonic anhydrase 
E)  cisplatin 
A)  KCN 
B)  CO 
C)  EDTA 
D)  carbonic anhydrase 
E)  cisplatin

Question 9

What is the difference between a weak-field complex and a strong-field complex?

Accepted Answer

The type of ligand attached to the centr

Question 10

Choose the electron configuration for Nb3+.

Accepted Answer

A)  [Kr]5s24d2 
B)  [Kr]5s2 
C)  [Kr]4d2 
D)  [Ar]4s23d104p6 
E)  [Kr]5s24d4 
A)  [Kr]5s24d2 
B)  [Kr]5s2 
C)  [Kr]4d2 
D)  [Ar]4s23d104p6 
E)  [Kr]5s24d4

Question 11

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 12

What is the ground-state electron configuration for Cr3+ (Z = 24)?

Accepted Answer

A)  [Ar] 4s2 3d7 
B)  [Ar] 4s2 3d1 
C)  [Ar] 3d3 
D)  [Ar] 4s1 3d2 
A)  [Ar] 4s2 3d7 
B)  [Ar] 4s2 3d1 
C)  [Ar] 3d3 
D)  [Ar] 4s1 3d2

Question 13

Which of the following species has the electron configuration [Ar]3d6?

Accepted Answer

A)  Cr 
B)  Fe3+ 
C)  Co3+ 
D)  Ni3+ 
A)  Cr 
B)  Fe3+ 
C)  Co3+ 
D)  Ni3+

Question 14

Identify the ion that is responsible for the red color of rubies.

Accepted Answer

A)  Cr3+ 
B)  Cr4+ 
C)  Cr5+ 
D)  Cr6+ 
E)  Cr7+ 
A)  Cr3+ 
B)  Cr4+ 
C)  Cr5+ 
D)  Cr6+ 
E)  Cr7+

Question 15

How many d electrons are in W O42-?

Accepted Answer

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

Question 16

Which of the following compounds can exhibit cis-trans isomerism?

Accepted Answer

A)  [Cr(H2O)4Cl2]+ 
B)  [Cu(CO)5Cl]+ 
C)  [Co(CO)3(NH3)3]3+ 
D)  [Co(CO)5ONO]2+ 
E)  [Fe(NH3)6]2+ 
A)  [Cr(H2O)4Cl2]+ 
B)  [Cu(CO)5Cl]+ 
C)  [Co(CO)3(NH3)3]3+ 
D)  [Co(CO)5ONO]2+ 
E)  [Fe(NH3)6]2+

Question 17

What type of hybridization (according to valence bond theory)does Pt exhibit in the complex ion,[Pt(NH3)4]2+?

Accepted Answer

A)  dsp3 
B)  sp  
C)  d2sp3 
D)  d2sp 
E)  dsp2 
A)  dsp3 
B)  sp  
C)  d2sp3 
D)  d2sp 
E)  dsp2

Question 18

Identify the geometry of the complex ion if the hybridization is dsp2.

Accepted Answer

A)  square planar 
B)  octahedral 
C)  tetrahedral 
D)  linear 
E)  trigonal planar 
A)  square planar 
B)  octahedral 
C)  tetrahedral 
D)  linear 
E)  trigonal planar

Question 19

What type of hybridization (according to valence bond theory)does Fe exhibit in the complex ion,[Fe(H2O)4(Br)2]+?

Accepted Answer

A)  dsp3 
B)  sp3 
C)  d2sp2 
D)  d2sp3 
E)  d2sp 
A)  dsp3 
B)  sp3 
C)  d2sp2 
D)  d2sp3 
E)  d2sp

Question 20

Why is +2 a common oxidation state for transition elements?

Accepted Answer

The transition metals lose their outer s

Exam 25: Transition Metals and Coordination Compounds

How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na3[FeCl6] in water?

How many unpaired electrons would you expect for the complex ion: [Co(NH3 )6]4+?

Identify the geometry of [PtCl4]2-.

Choose the electron configuration for V3+.

Which of the following compounds can exhibit fac-mer isomerism?

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

Name the following: Fe[AlF6]

Identify the compound that an effective anticancer agent.

What is the difference between a weak-field complex and a strong-field complex?

Choose the electron configuration for Nb3+.

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

What is the ground-state electron configuration for Cr3+ (Z = 24)?

Which of the following species has the electron configuration [Ar]3d6?

Identify the ion that is responsible for the red color of rubies.

How many d electrons are in W O42-?

Which of the following compounds can exhibit cis-trans isomerism?

What type of hybridization (according to valence bond theory)does Pt exhibit in the complex ion,[Pt(NH3)4]2+?

Identify the geometry of the complex ion if the hybridization is dsp2.

What type of hybridization (according to valence bond theory)does Fe exhibit in the complex ion,[Fe(H2O)4(Br)2]+?

Why is +2 a common oxidation state for transition elements?

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Filters

How many moles of aqueous ions will be produced from the dissolution of 1.0 mole of Na₃[FeCl₆] in water?

How many unpaired electrons would you expect for the complex ion: [Co(NH₃ )₆]⁴⁺?

Identify the geometry of [PtCl₄]^2-.

Choose the electron configuration for V³⁺.

Name the following: Fe[AlF₆]

Choose the electron configuration for Nb³⁺.

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

What is the ground-state electron configuration for Cr³⁺ (Z = 24)?

Which of the following species has the electron configuration [Ar]3d⁶?

How many d electrons are in WO₄^2-?

What type of hybridization (according to valence bond theory)does Pt exhibit in the complex ion,[Pt(NH₃)₄]²⁺?

Identify the geometry of the complex ion if the hybridization is dsp².

What type of hybridization (according to valence bond theory)does Fe exhibit in the complex ion,[Fe(H₂O)₄(Br)₂]⁺?