Question 1

Which metal ion has a d4 electron configuration?

Accepted Answer

A)  Ti2+ 
B)  Mn2+ 
C)  Ni2+ 
D)  Fe3+ 
E)  Mn3+ 
A)  Ti2+ 
B)  Mn2+ 
C)  Ni2+ 
D)  Fe3+ 
E)  Mn3+ E

Question 2

Specify the number of unpaired electrons in [CuCl2]-.

Accepted Answer

A)  3 
B)  5 
C)  4 
D)  2 
E)  0 
A)  3 
B)  5 
C)  4 
D)  2 
E)  0 E

Question 3

You discover that the complex decomposes in water. You dissolve 0.1000 g of the complex in H2O and add excess NaHg(SCN)4, which precipitates Co(II) as CoHg(SCN)4(s). After the precipitate is washed and dried, its mass is 0.1102 g. How many grams of cobalt are contained in 0.100 g of the complex?

Accepted Answer

A)  0.0396 g 
B)  0.0132 g 
C)  0.1102 g 
D)  0.437 g 
E)  0.0548 g 
A)  0.0396 g 
B)  0.0132 g 
C)  0.1102 g 
D)  0.437 g 
E)  0.0548 g B

Question 4

Calculate the total number of unpaired electrons in the following complex ions: [Ti(H2O)6]2+, [NiCl4]2- (tetrahedral), [Co(H2O)6]3+ (weak field).

Accepted Answer

A)  8 
B)  6 
C)  3 
D)  4 
E)  1 
A)  8 
B)  6 
C)  3 
D)  4 
E)  1

Question 5

Specify the number of unpaired electrons in NiCl42- (tetrahedral).

Accepted Answer

A)  0 
B)  2 
C)  4 
D)  1 
E)  5 
A)  0 
B)  2 
C)  4 
D)  1 
E)  5

Question 6

Which of the following are structural isomers?
I.coordination isomers
II.linkage isomers
III.geometric isomers
IV.optical isomers

Accepted Answer

A)  II, IV 
B)  II, III 
C)  I, II 
D)  I, III, IV 
E)  I, III 
A)  II, IV 
B)  II, III 
C)  I, II 
D)  I, III, IV 
E)  I, III

Question 7

Transition metals show great similarities both within a given period and within a given vertical group.

Accepted Answer

A) True 
 B)False

Question 8

How many unpaired electrons are found in Mn(NH3)43+ (tetrahedral)?

Accepted Answer

A)  4 
B)  5 
C)  1 
D)  0 
E)  2 
A)  4 
B)  5 
C)  1 
D)  0 
E)  2

Question 9

Carboxyhemoglobin is formed when __________ prevents the normal uptake of oxygen in the blood.

Accepted Answer

A)  CN- 
B)  CH4 
C)  CO2 
D)  NH3 
E)  CO 
A)  CN- 
B)  CH4 
C)  CO2 
D)  NH3 
E)  CO

Question 10

What is the maximum oxidation state of chromium?

Accepted Answer

A)  +4 
B)  +6 
C)  +3 
D)  +5 
E)  none of these 
A)  +4 
B)  +6 
C)  +3 
D)  +5 
E)  none of these

Question 11

Specify the number of unpaired electrons in [MnBr4]- (tetrahedral).

Accepted Answer

A)  2 
B)  1 
C)  5 
D)  4 
E)  0 
A)  2 
B)  1 
C)  5 
D)  4 
E)  0

Question 12

Which of the following ligands are capable of linkage isomerism?

Accepted Answer

The answer of Which of the following ligands are capable...

Question 13

Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species.
-[Cr(NH3)5Cl]SO4

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 14

How many d electrons are present on the metal ion in the complex ion PtCl62-?

Accepted Answer

A)  3 
B)  8 
C)  2 
D)  4 
E)  6 
A)  3 
B)  8 
C)  2 
D)  4 
E)  6

Question 15

In _________, all bonds are the same, but the spatial arrangements of atoms are different.

Accepted Answer

The answer of In _________, all bonds are the same,...

Question 16

How many unpaired electrons are found in Zn(H2O)62+?

Accepted Answer

A)  4 
B)  2 
C)  5 
D)  0 
E)  1 
A)  4 
B)  2 
C)  5 
D)  0 
E)  1

Question 17

Which of the following statements is true about the octahedral complexes of Ni2+?

Accepted Answer

A)  Both strong- and weak-field complexes are paramagnetic. 
B)  The strong-field complex is paramagnetic and the weak-field complex is diamagnetic. 
C)  Both strong- and weak-field complexes are diamagnetic. 
D)  The strong-field complex is diamagnetic and the weak-field complex is paramagnetic. 
A)  Both strong- and weak-field complexes are paramagnetic. 
B)  The strong-field complex is paramagnetic and the weak-field complex is diamagnetic. 
C)  Both strong- and weak-field complexes are diamagnetic. 
D)  The strong-field complex is diamagnetic and the weak-field complex is paramagnetic.

Question 18

The spectrochemical series is
I- - - - - 2O 3 2- -
Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?

Accepted Answer

A)  [Co(OH)6]3- 
B)  [Co(NH3)6]3+ 
C)  [Co(I)6]3- 
D)  [Co(H2O)6]3+ 
E)  [Co(en)3]3+ 
A)  [Co(OH)6]3- 
B)  [Co(NH3)6]3+ 
C)  [Co(I)6]3- 
D)  [Co(H2O)6]3+ 
E)  [Co(en)3]3+

Question 19

Choose the most likely pattern for the crystal field diagram for the complex trans-[Ni(NH3)2(CN)4]2-, where CN- produces a much stronger crystal field than does NH3.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 20

Specify the number of unpaired electrons in [Co(NH3)6]3+ (strong field).

Accepted Answer

A)  2 
B)  5 
C)  0 
D)  4 
E)  7 
A)  2 
B)  5 
C)  0 
D)  4 
E)  7

Which metal ion has a d⁴ electron configuration?

Specify the number of unpaired electrons in [CuCl₂]^-.

Calculate the total number of unpaired electrons in the following complex ions: [Ti(H₂O)₆]²⁺, [NiCl₄]^2- (tetrahedral), [Co(H₂O)₆]³⁺ (weak field).

Specify the number of unpaired electrons in NiCl₄^2- (tetrahedral).

Which of the following are structural isomers? I.coordination isomers II.linkage isomers III.geometric isomers IV.optical isomers

Transition metals show great similarities both within a given period and within a given vertical group.

How many unpaired electrons are found in Mn(NH₃)₄³⁺ (tetrahedral)?

Carboxyhemoglobin is formed when __________ prevents the normal uptake of oxygen in the blood.

What is the maximum oxidation state of chromium?

Specify the number of unpaired electrons in [MnBr₄]^- (tetrahedral).

Which of the following ligands are capable of linkage isomerism?

Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species. -[Cr(NH₃)₅Cl]SO₄

How many d electrons are present on the metal ion in the complex ion PtCl₆^2-?

In _________, all bonds are the same, but the spatial arrangements of atoms are different.

How many unpaired electrons are found in Zn(H₂O)₆²⁺?

Which of the following statements is true about the octahedral complexes of Ni²⁺?

The spectrochemical series is I^- < Br^- < Cl^- < F^- < OH^- < H₂O < NH₃ < en < NO₂^- < CN^-Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?

Choose the most likely pattern for the crystal field diagram for the complex trans-[Ni(NH₃)₂(CN)₄]^2-, where CN^- produces a much stronger crystal field than does NH₃.

Specify the number of unpaired electrons in [Co(NH₃)₆]³⁺ (strong field).

Atoms, Molecules, and Ions

Stoichiometry

Types of Chemical Reactions and Solution Stoichiometry

Gases

Chemical Equilibrium

Acids and Bases

Applications of Aqueous Equilibria

Energy, Enthalpy, and Thermochemistry

Spontaneity, Entropy, and Free Energy

Electrochemistry

Quantum Mechanics and Atomic Theory

Bonding: General Concepts

Covalent Bonding: Orbitals

Chemical Kinetics

Liquids and Solids

Properties of Solutions

The Representative Elements

The Nucleus: a Chemists View

Organic and Biochemical Molecules

Filters

Exam 19: Transition Metals and Coordination Chemistry

Which metal ion has a d4 electron configuration?

Specify the number of unpaired electrons in [CuCl2]-.

You discover that the complex decomposes in water. You dissolve 0.1000 g of the complex in H2O and add excess NaHg(SCN)4, which precipitates Co(II) as CoHg(SCN)4(s). After the precipitate is washed and dried, its mass is 0.1102 g. How many grams of cobalt are contained in 0.100 g of the complex?

Calculate the total number of unpaired electrons in the following complex ions: [Ti(H2O)6]2+, [NiCl4]2- (tetrahedral), [Co(H2O)6]3+ (weak field).

Specify the number of unpaired electrons in NiCl42- (tetrahedral).

Which of the following are structural isomers? I.coordination isomers II.linkage isomers III.geometric isomers IV.optical isomers

Transition metals show great similarities both within a given period and within a given vertical group.

How many unpaired electrons are found in Mn(NH3)43+ (tetrahedral)?

Carboxyhemoglobin is formed when __________ prevents the normal uptake of oxygen in the blood.

What is the maximum oxidation state of chromium?

Specify the number of unpaired electrons in [MnBr4]- (tetrahedral).

Which of the following ligands are capable of linkage isomerism?

Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species. -[Cr(NH3)5Cl]SO4

How many d electrons are present on the metal ion in the complex ion PtCl62-?

In _________, all bonds are the same, but the spatial arrangements of atoms are different.

How many unpaired electrons are found in Zn(H2O)62+?

Which of the following statements is true about the octahedral complexes of Ni2+?

The spectrochemical series is I- < Br- < Cl- < F- < OH- < H2O < NH3 < en < NO2- < CN- Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?

Choose the most likely pattern for the crystal field diagram for the complex trans-[Ni(NH3)2(CN)4]2-, where CN- produces a much stronger crystal field than does NH3.

Specify the number of unpaired electrons in [Co(NH3)6]3+ (strong field).

Atoms, Molecules, and Ions

Stoichiometry

Types of Chemical Reactions and Solution Stoichiometry

Gases

Chemical Equilibrium

Acids and Bases

Applications of Aqueous Equilibria

Energy, Enthalpy, and Thermochemistry

Spontaneity, Entropy, and Free Energy

Electrochemistry

Quantum Mechanics and Atomic Theory

Bonding: General Concepts

Covalent Bonding: Orbitals

Chemical Kinetics

Liquids and Solids

Properties of Solutions

The Representative Elements

The Nucleus: a Chemists View

Organic and Biochemical Molecules

Filters

Which metal ion has a d⁴ electron configuration?

Specify the number of unpaired electrons in [CuCl₂]^-.

Calculate the total number of unpaired electrons in the following complex ions: [Ti(H₂O)₆]²⁺, [NiCl₄]^2- (tetrahedral), [Co(H₂O)₆]³⁺ (weak field).

Specify the number of unpaired electrons in NiCl₄^2- (tetrahedral).

How many unpaired electrons are found in Mn(NH₃)₄³⁺ (tetrahedral)?

Specify the number of unpaired electrons in [MnBr₄]^- (tetrahedral).

Here are some crystal field representations of d electrons in an octahedral field: Choose the representation that fits the transition metal atom in the following species. -[Cr(NH₃)₅Cl]SO₄

How many d electrons are present on the metal ion in the complex ion PtCl₆^2-?

How many unpaired electrons are found in Zn(H₂O)₆²⁺?

Which of the following statements is true about the octahedral complexes of Ni²⁺?

The spectrochemical series is I^- < Br^- < Cl^- < F^- < OH^- < H₂O < NH₃ < en < NO₂^- < CN^-Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?

Choose the most likely pattern for the crystal field diagram for the complex trans-[Ni(NH₃)₂(CN)₄]^2-, where CN^- produces a much stronger crystal field than does NH₃.

Specify the number of unpaired electrons in [Co(NH₃)₆]³⁺ (strong field).