Question 1

Name the compound, Cu(H2O)42+.

Accepted Answer

tetraaquacopper(II)

Question 2

Name Na[Ru(H2O)2(C2O4)2]

Accepted Answer

sodium diaquadioxalatoruthenate (II)

Question 3

Linkage isomerism can only occur .

Accepted Answer

A)  with tetrahedral complexes 
B)  with ligands that have more than one possible donor atom 
C)  with cobalt complexes 
D)  with coordination number 6 
E)  in cis- isomers of octahedral complexes 
A)  with tetrahedral complexes 
B)  with ligands that have more than one possible donor atom 
C)  with cobalt complexes 
D)  with coordination number 6 
E)  in cis- isomers of octahedral complexes B

Question 4

Non superimposable isomers are isomers.

Accepted Answer

The answer of Non superimposable isomers are isomers....

Question 5

During the formation of a coordination compound, ligands act as .

Accepted Answer

A)  Lewis acids 
B)  Arrhenius bases 
C)  Arrhenius acids 
D)  Lewis bases 
E)  BrØnsted bases 
A)  Lewis acids 
B)  Arrhenius bases 
C)  Arrhenius acids 
D)  Lewis bases 
E)  BrØnsted bases

Question 6

What is meant by the prefix tetrakis- , and when is it used?

Accepted Answer

It means 4 and is us

Question 7

The energy of a metal ligand complex is higher than the energy of the separated components.

Accepted Answer

A) True 
 B)False

Question 8

What is the oxidation number of cobalt in [Co(NH3)4F2] ?

Accepted Answer

A)  +1 
B)  +3 
C)  +6 
D)  +2 
E)  - 3 
A)  +1 
B)  +3 
C)  +6 
D)  +2 
E)  - 3

Question 9

A racemic mixture is

Accepted Answer

A)  a mixture of an optically active species with an optically inactive species. 
B)  a mixture of metal ions and ligands in equilibrium. 
C)  an equal mixture of both enantiomers of an optically active species. 
D)  a mixture of structural isomers. 
E)  an equal mixture of cis- and trans- isomers. 
A)  a mixture of an optically active species with an optically inactive species. 
B)  a mixture of metal ions and ligands in equilibrium. 
C)  an equal mixture of both enantiomers of an optically active species. 
D)  a mixture of structural isomers. 
E)  an equal mixture of cis- and trans- isomers.

Question 10

List three of the seven transition metals required for human life.

Accepted Answer

Any three

Question 11

The complex [Zn(NH3)2Cl2]2+ does not exhibit cis- trans- isomerism. The geometry of this complex must be .

Accepted Answer

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

Question 12

Two compounds have the same formula and contain an SCN- ligand. In one compound the SCN- ligand is bonded to the metal atom via the N atom and in the other it is bonded via the S atom. These two compounds are examples of _ _ isomers.

Accepted Answer

Question 13

The transport of iron into bacteria is facilitated by the formation of the complex
.

Accepted Answer

The answer of The transport of iron into bacteria is...

Question 14

What is the oxidation state of iron in CaNa[Fe(CN)6] _ _ ?

Accepted Answer

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

Question 15

What is the most common geometry found in four- coordinate complexes?

Accepted Answer

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

Question 16

Linkage isomerism would most likely occur when which of the following ligands is present?

Accepted Answer

A)  Cl-  
B)  PF3  
C)  H2O 
D)  NH3  
E)  NCS- 
A)  Cl-  
B)  PF3  
C)  H2O 
D)  NH3  
E)  NCS-

Question 17

Based on the crystal- field strengths Cl- - 2O 3 2NC2H4NH2, which octahedral Ti(III) complex below has its d- d electronic transition at shortest wavelength?

Accepted Answer

A)  [TiF6]3- 
B)  [TiCl6]3- 
C)  [Ti(NH3)6]3+ 
D)  [Ti(H2NC2H4NH2)3]3+ 
E)  [Ti( H2O)6]3+ 
A)  [TiF6]3- 
B)  [TiCl6]3- 
C)  [Ti(NH3)6]3+ 
D)  [Ti(H2NC2H4NH2)3]3+ 
E)  [Ti( H2O)6]3+

Question 18

Which complex below has 2 unpaired electrons?

Accepted Answer

A)  square- planar [Ni(CN)4]2- 
B)  tetrahedral [CoCl4]2- 
C)  octahedral [Ni(NH3)6]2+ 
D)  low- spin octahedral [Fe(CN)6]3- 
E)  tetrahedral [FeI4]2- 
A)  square- planar [Ni(CN)4]2- 
B)  tetrahedral [CoCl4]2- 
C)  octahedral [Ni(NH3)6]2+ 
D)  low- spin octahedral [Fe(CN)6]3- 
E)  tetrahedral [FeI4]2-

Question 19

What is the oxidation state of the iron atom in CaNa[Fe(CN)6]?

Accepted Answer

Question 20

Which of the following will display optical isomerism?

Accepted Answer

A)  octahedral Co(H2NC2H4NH2)33+ 
B)  octahedral Co(NH3)63+ 
C)  octahedral Co(NH3)5Cl2+ 
D)  square- planar Pt(H2NC2H4NH2)22+ 
E)  square- planar Rh(CO)2Cl2- 
A)  octahedral Co(H2NC2H4NH2)33+ 
B)  octahedral Co(NH3)63+ 
C)  octahedral Co(NH3)5Cl2+ 
D)  square- planar Pt(H2NC2H4NH2)22+ 
E)  square- planar Rh(CO)2Cl2-

Exam 24: Chemistry of Coordination Compounds

Name the compound, Cu(H2O)42+.

Name Na[Ru(H2O)2(C2O4)2]

Linkage isomerism can only occur .

Non superimposable isomers are isomers.

During the formation of a coordination compound, ligands act as .

What is meant by the prefix tetrakis- , and when is it used?

The energy of a metal ligand complex is higher than the energy of the separated components.

What is the oxidation number of cobalt in [Co(NH3)4F2] ?

A racemic mixture is

List three of the seven transition metals required for human life.

The complex [Zn(NH3)2Cl2]2+ does not exhibit cis- trans- isomerism. The geometry of this complex must be .

Two compounds have the same formula and contain an SCN- ligand. In one compound the SCN- ligand is bonded to the metal atom via the N atom and in the other it is bonded via the S atom. These two compounds are examples of _ _ isomers.

The transport of iron into bacteria is facilitated by the formation of the complex .

What is the oxidation state of iron in CaNa[Fe(CN)6] _ _ ?

What is the most common geometry found in four- coordinate complexes?

Linkage isomerism would most likely occur when which of the following ligands is present?

Based on the crystal- field strengths Cl- < F- < H2O < NH3 < H2NC2H4NH2, which octahedral Ti(III) complex below has its d- d electronic transition at shortest wavelength?

Which complex below has 2 unpaired electrons?

What is the oxidation state of the iron atom in CaNa[Fe(CN)6]?

Which of the following will display optical isomerism?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

The Chemistry of Life: Organic and Biological Chemistry

Filters

Name the compound, Cu(H₂O)₄²⁺.

Name Na[Ru(H₂O)₂(C₂O₄)₂]

What is the oxidation number of cobalt in [Co(NH₃)₄F₂] ?

The complex [Zn(NH₃)₂Cl₂]²⁺does not exhibit cis- trans- isomerism. The geometry of this complex must be .

Two compounds have the same formula and contain an SCN^-ligand. In one compound the SCN^-ligand is bonded to the metal atom via the N atom and in the other it is bonded via the S atom. These two compounds are examples of _ _ isomers.

What is the oxidation state of iron in CaNa[Fe(CN)₆] _ _ ?

Based on the crystal- field strengths Cl^-< F^-< H₂O < NH₃< H₂NC₂H₄NH₂, which octahedral Ti(III) complex below has its d- d electronic transition at shortest wavelength?

What is the oxidation state of the iron atom in CaNa[Fe(CN)₆]?