Question 1

The phenomenon called the __________ contraction is responsible for the great similarity in atomic size and chemistry between 4d and 5d elements.

Accepted Answer

A)  transition 
B)  coordination 
C)  none of these 
D)  isomeric 
E)  lanthanide 
A)  transition 
B)  coordination 
C)  none of these 
D)  isomeric 
E)  lanthanide

Question 2

The complex ion [NiCl4]2- is tetrahedral. How many unpaired electrons are there in the complex?

Accepted Answer

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

Question 3

Which of the following coordination compounds will form a precipitate when treated with an aqueous solution of AgNO3?

Accepted Answer

A)  Na3[CrCl6] 
B)  [Cr(NH3)3Cl3] 
C)  Na3[Cr(CN)6] 
D)  [Cr(NH3)6]Cl3 
E)  all of these 
A)  Na3[CrCl6] 
B)  [Cr(NH3)3Cl3] 
C)  Na3[Cr(CN)6] 
D)  [Cr(NH3)6]Cl3 
E)  all of these

Question 4

What is the electron configuration of the Co(II) ion?

Accepted Answer

A)  [Ar]3d6 
B)  [Ar]3d7 
C)  [Ar]4s23d5 
D)  [Ar]4s24d2 
E)  [Ar]4s23d7 
A)  [Ar]3d6 
B)  [Ar]3d7 
C)  [Ar]4s23d5 
D)  [Ar]4s24d2 
E)  [Ar]4s23d7

Question 5

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.
-K4Mn(CN)6 (assume strong field)

Accepted Answer

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

Question 6

The principal electron transfer molecules in the respiratory chain are iron-containing species called _____, consisting of two main parts: an iron complex called heme and a protein.

Accepted Answer

A)  ​cytochromes 
B)  ​nucleotides 
C)  ​ligands 
D)  ​ribosomes 
E)  ​vesicles 
A)  ​cytochromes 
B)  ​nucleotides 
C)  ​ligands 
D)  ​ribosomes 
E)  ​vesicles

Question 7

Specify the number of unpaired electrons in CoF63- (weak field).

Accepted Answer

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

Question 8

Which of the following crystal field diagrams is correct for Co(CN)64-, where CN- is a strong-field ligand?

Accepted Answer

A)    
B)    
C)    
D)    
E)  none of these 
A)    
B)    
C)    
D)    
E)  none of these

Question 9

How many unpaired electrons are found in [Co(CN)4]3- (square planar)?

Accepted Answer

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

Question 10

How many unpaired electrons are found in Mn(CN)63- (strong field)?

Accepted Answer

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

Question 11

The corrosion of which transition metal results in a characteristic green patina?

Accepted Answer

A)  lead 
B)  copper 
C)  chromium 
D)  silver 
E)  iron 
A)  lead 
B)  copper 
C)  chromium 
D)  silver 
E)  iron

Question 12

The complex ion Fe(CN)64- (no unpaired electrons) is classified as

Accepted Answer

A)  There is no way to tell. 
B)  strong field. 
C)  weak field. 
A)  There is no way to tell. 
B)  strong field. 
C)  weak field.

Question 13

How many unpaired electrons are there in Ir(Br)64-? (Br- is a weak-field ligand.)

Accepted Answer

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

Question 14

The complex ion Ni(NH3)62+ (two unpaired electrons) is classified as

Accepted Answer

A)  There is no way to tell. 
B)  strong field. 
C)  weak field. 
A)  There is no way to tell. 
B)  strong field. 
C)  weak field.

Question 15

The complex FeL62+, where L is a neutral ligand, is known to be diamagnetic. How many d electrons are there in this complex ion?

Accepted Answer

A)  7 
B)  8 
C)  6 
D)  4 
E)  5 
A)  7 
B)  8 
C)  6 
D)  4 
E)  5

Question 16

How many unpaired electrons are found in NiBr42- (tetrahedral)?

Accepted Answer

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

Question 17

_____ isomers and _______ isomers are classes of structural isomers.

Accepted Answer

A)  Geometric, optical 
B)  Geometric, linkage 
C)  Linkage, geometric 
D)  Coordination, linkage 
E)  Coordination, geometric 
A)  Geometric, optical 
B)  Geometric, linkage 
C)  Linkage, geometric 
D)  Coordination, linkage 
E)  Coordination, geometric

Question 18

This molecule is toxic because it has about 200 times the affinity for the Fe2+ in hemoglobin that oxygen does, causing asphyxiation if enough of it is present in the air.

Accepted Answer

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

Question 19

EDTA is an example of a ______ ligand.

Accepted Answer

A)  hexadentate 
B)  bidentate 
C)  octadentate 
D)  tetradentate 
E)  tridentate
F) Unidentate 
A)  hexadentate 
B)  bidentate 
C)  octadentate 
D)  tetradentate 
E)  tridentate
F) Unidentate

Question 20

Which of the following transition metals is a component of vitamin B12?

Accepted Answer

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

The phenomenon called the __________ contraction is responsible for the great similarity in atomic size and chemistry between 4d and 5d elements.

The complex ion [NiCl₄]^2- is tetrahedral. How many unpaired electrons are there in the complex?

Which of the following coordination compounds will form a precipitate when treated with an aqueous solution of AgNO₃?

What is the electron configuration of the Co(II) ion?

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. -K₄Mn(CN)₆ (assume strong field)

The principal electron transfer molecules in the respiratory chain are iron-containing species called _____, consisting of two main parts: an iron complex called heme and a protein.

Specify the number of unpaired electrons in CoF₆^3- (weak field).

Which of the following crystal field diagrams is correct for Co(CN)₆^4-, where CN^- is a strong-field ligand?

How many unpaired electrons are found in [Co(CN)₄]^3- (square planar)?

How many unpaired electrons are found in Mn(CN)₆^3- (strong field)?

The corrosion of which transition metal results in a characteristic green patina?

The complex ion Fe(CN)₆^4- (no unpaired electrons) is classified as

How many unpaired electrons are there in Ir(Br)₆^4-? (Br^- is a weak-field ligand.)

The complex ion Ni(NH₃)₆²⁺ (two unpaired electrons) is classified as

The complex FeL₆²⁺, where L is a neutral ligand, is known to be diamagnetic. How many d electrons are there in this complex ion?

How many unpaired electrons are found in NiBr₄^2- (tetrahedral)?

_ isomers and ___ isomers are classes of structural isomers.

This molecule is toxic because it has about 200 times the affinity for the Fe²⁺ in hemoglobin that oxygen does, causing asphyxiation if enough of it is present in the air.

EDTA is an example of a ______ ligand.

Which of the following transition metals is a component of vitamin B₁₂?

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

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Exam 19: Transition Metals and Coordination Chemistry

The phenomenon called the __________ contraction is responsible for the great similarity in atomic size and chemistry between 4d and 5d elements.

The complex ion [NiCl4]2- is tetrahedral. How many unpaired electrons are there in the complex?

Which of the following coordination compounds will form a precipitate when treated with an aqueous solution of AgNO3?

What is the electron configuration of the Co(II) ion?

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. -K4Mn(CN)6 (assume strong field)

The principal electron transfer molecules in the respiratory chain are iron-containing species called _____, consisting of two main parts: an iron complex called heme and a protein.

Specify the number of unpaired electrons in CoF63- (weak field).

Which of the following crystal field diagrams is correct for Co(CN)64-, where CN- is a strong-field ligand?

How many unpaired electrons are found in [Co(CN)4]3- (square planar)?

How many unpaired electrons are found in Mn(CN)63- (strong field)?

The corrosion of which transition metal results in a characteristic green patina?

The complex ion Fe(CN)64- (no unpaired electrons) is classified as

How many unpaired electrons are there in Ir(Br)64-? (Br- is a weak-field ligand.)

The complex ion Ni(NH3)62+ (two unpaired electrons) is classified as

The complex FeL62+, where L is a neutral ligand, is known to be diamagnetic. How many d electrons are there in this complex ion?

How many unpaired electrons are found in NiBr42- (tetrahedral)?

_____ isomers and _______ isomers are classes of structural isomers.

This molecule is toxic because it has about 200 times the affinity for the Fe2+ in hemoglobin that oxygen does, causing asphyxiation if enough of it is present in the air.

EDTA is an example of a ______ ligand.

Which of the following transition metals is a component of vitamin B12?

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

The complex ion [NiCl₄]^2- is tetrahedral. How many unpaired electrons are there in the complex?

Which of the following coordination compounds will form a precipitate when treated with an aqueous solution of AgNO₃?

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. -K₄Mn(CN)₆ (assume strong field)

Specify the number of unpaired electrons in CoF₆^3- (weak field).

Which of the following crystal field diagrams is correct for Co(CN)₆^4-, where CN^- is a strong-field ligand?

How many unpaired electrons are found in [Co(CN)₄]^3- (square planar)?

How many unpaired electrons are found in Mn(CN)₆^3- (strong field)?

The complex ion Fe(CN)₆^4- (no unpaired electrons) is classified as

How many unpaired electrons are there in Ir(Br)₆^4-? (Br^- is a weak-field ligand.)

The complex ion Ni(NH₃)₆²⁺ (two unpaired electrons) is classified as

The complex FeL₆²⁺, where L is a neutral ligand, is known to be diamagnetic. How many d electrons are there in this complex ion?

How many unpaired electrons are found in NiBr₄^2- (tetrahedral)?

_ isomers and ___ isomers are classes of structural isomers.

This molecule is toxic because it has about 200 times the affinity for the Fe²⁺ in hemoglobin that oxygen does, causing asphyxiation if enough of it is present in the air.

Which of the following transition metals is a component of vitamin B₁₂?