Question 1

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 2

Identify the geometry of [Ag(NH3)2]+.

Accepted Answer

A)  tetrahedral 
B)  square planar 
C)  linear 
D)  bent 
E)  trigonal pyramidal 
A)  tetrahedral 
B)  square planar 
C)  linear 
D)  bent 
E)  trigonal pyramidal

Question 3

Identify the transition metal that is used in fat and carbohydrate synthesis in the human body.

Accepted Answer

A)  sodium 
B)  zinc 
C)  copper 
D)  manganese 
E)  chromium 
A)  sodium 
B)  zinc 
C)  copper 
D)  manganese 
E)  chromium

Question 4

Identify the isomers that have ligands which coordinates to metal in different ways.

Accepted Answer

A)  linkage isomers 
B)  geometric isomers 
C)  coordination isomers. 
D)  optical isomers 
E)  stereoisomers. 
A)  linkage isomers 
B)  geometric isomers 
C)  coordination isomers. 
D)  optical isomers 
E)  stereoisomers.

Question 5

What is the ground-state electron configuration for the element nickel (Z = 28)?

Accepted Answer

A)  [Ne] 4s1 3d9 
B)  [Ar] 4s1 3d9 
C)  [Ar] 4s2 3d8 
D)  [Ar] 3d10 
A)  [Ne] 4s1 3d9 
B)  [Ar] 4s1 3d9 
C)  [Ar] 4s2 3d8 
D)  [Ar] 3d10

Question 6

Identify the geometry of [Fe(H2O)6]3+.

Accepted Answer

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

Question 7

Choose the electron configuration for Mo5+.

Accepted Answer

A)  [Kr]5s14d3 
B)  [Kr]5s24d2 
C)  [Kr]5s24d1 
D)  [Kr]4d1 
E)  [Kr]5s24d6 
A)  [Kr]5s14d3 
B)  [Kr]5s24d2 
C)  [Kr]5s24d1 
D)  [Kr]4d1 
E)  [Kr]5s24d6

Question 8

What is the highest possible oxidation state for vanadium?

Accepted Answer

A)  + 2 
B)  + 3 
C)  + 4 
D)  + 5 
A)  + 2 
B)  + 3 
C)  + 4 
D)  + 5

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

A)  square pyramidal 
B)  see-saw 
C)  trigonal planar 
D)  linear 
E)  square planar 
A)  square pyramidal 
B)  see-saw 
C)  trigonal planar 
D)  linear 
E)  square planar

Question 11

If a complex ion has a maximum absorption of 600 nm,what is the crystal field splitting energy (in kJ/mol)?

Accepted Answer

A)  200 kJ/mol 
B)  284 kJ/mol 
C)  314 kJ/mol 
D)  384 kJ/mol 
E)  413 kJ/mol 
A)  200 kJ/mol 
B)  284 kJ/mol 
C)  314 kJ/mol 
D)  384 kJ/mol 
E)  413 kJ/mol

Question 12

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 13

Identify the ion that is responsible for the blue of turquoise.

Accepted Answer

A)  Cr2+ 
B)  Cu+ 
C)  Cu2+ 
D)  Cr3+ 
E)  Fe2+ 
A)  Cr2+ 
B)  Cu+ 
C)  Cu2+ 
D)  Cr3+ 
E)  Fe2+

Question 14

How many unpaired electrons would you expect for the complex ion: [FeCl6]4-?

Accepted Answer

A)  2 
B)  6 
C)  4 
D)  3 
E)  0 
A)  2 
B)  6 
C)  4 
D)  3 
E)  0

Question 15

Name the following: [Pt(H2O)4F2]Br2

Accepted Answer

A)  tetraaquadifluoroplatinum(IV) bromide 
B)  tetraaquadibromodifluoroplatinate 
C)  platinum(II)bromide 
D)  platinum(III)tetraaquadifluorobromide 
E)  platinum (II) dibromodifluorotetrahydride 
A)  tetraaquadifluoroplatinum(IV) bromide 
B)  tetraaquadibromodifluoroplatinate 
C)  platinum(II)bromide 
D)  platinum(III)tetraaquadifluorobromide 
E)  platinum (II) dibromodifluorotetrahydride

Question 16

What is the ground-state electron configuration for Ni2+ (Z = 28)?

Accepted Answer

A)  [Ar] 4s2 3d10 
B)  [Ar] 4s2 3d6 
C)  [Ar] 3d8 
D)  [Ar] 4s1 3d7 
A)  [Ar] 4s2 3d10 
B)  [Ar] 4s2 3d6 
C)  [Ar] 3d8 
D)  [Ar] 4s1 3d7

Question 17

Identify the ion that is responsible for the red in garnet and the yellow-green of peridot.

Accepted Answer

A)  Cr2+ 
B)  Cu+ 
C)  Cu2+ 
D)  Cr3+ 
E)  Fe2+ 
A)  Cr2+ 
B)  Cu+ 
C)  Cu2+ 
D)  Cr3+ 
E)  Fe2+

Question 18

Identify the ion that is responsible for the green color in emeralds.

Accepted Answer

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

Question 19

If a complex ion has a crystal field splitting energy of 410 kJ/mol,what is its maximum absorption?

Accepted Answer

A)  425 nm 
B)  353 nm 
C)  292 nm 
D)  231 nm 
E)  193 nm 
A)  425 nm 
B)  353 nm 
C)  292 nm 
D)  231 nm 
E)  193 nm

Question 20

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)  sp3 
C)  d2sp3 
D)  d2sp 
E)  dsp2 
A)  dsp3 
B)  sp3 
C)  d2sp3 
D)  d2sp 
E)  dsp2

Exam 23: Transition Metals and Coordination Compounds

Choose the electron configuration for Ti2+.

Identify the geometry of [Ag(NH3)2]+.

Identify the transition metal that is used in fat and carbohydrate synthesis in the human body.

Identify the isomers that have ligands which coordinates to metal in different ways.

What is the ground-state electron configuration for the element nickel (Z = 28)?

Identify the geometry of [Fe(H2O)6]3+.

Choose the electron configuration for Mo5+.

What is the highest possible oxidation state for vanadium?

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

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

If a complex ion has a maximum absorption of 600 nm,what is the crystal field splitting energy (in kJ/mol)?

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

Identify the ion that is responsible for the blue of turquoise.

How many unpaired electrons would you expect for the complex ion: [FeCl6]4-?

Name the following: [Pt(H2O)4F2]Br2

What is the ground-state electron configuration for Ni2+ (Z = 28)?

Identify the ion that is responsible for the red in garnet and the yellow-green of peridot.

Identify the ion that is responsible for the green color in emeralds.

If a complex ion has a crystal field splitting energy of 410 kJ/mol,what is its maximum absorption?

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

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline 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

Filters

Choose the electron configuration for Ti²⁺.

Identify the geometry of [Ag(NH₃)₂]⁺.

Identify the geometry of [Fe(H₂O)₆]³⁺.

Choose the electron configuration for Mo⁵⁺.

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

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

How many unpaired electrons would you expect for the complex ion: [FeCl₆]^4-?

Name the following: [Pt(H₂O)₄F₂]Br₂

What is the ground-state electron configuration for Ni²⁺ (Z = 28)?

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