Question 1

A geometrical isomer with like groups located on opposite sides of the metal atom is denoted with the prefix _.

Accepted Answer

A)  bis- 
B)  tetrakis 
C)  cis- 
D)  trans- 
E)  d- 
A)  bis- 
B)  tetrakis 
C)  cis- 
D)  trans- 
E)  d-

Question 2

Name the compound, Ca[AlH4]2.

Accepted Answer

calcium te

Question 3

What is the metal ion in the porphyrin of heme ?

Accepted Answer

A)  chlorophyll 
B)  magnesium 
C)  calcium 
D)  iron 
E)  molybdenum 
A)  chlorophyll 
B)  magnesium 
C)  calcium 
D)  iron 
E)  molybdenum

Question 4

What transition metal is responsible for the color of ruby ?

Accepted Answer

A)  titanium 
B)  chromium 
C)  gold 
D)  manganese 
E)  cobalt 
A)  titanium 
B)  chromium 
C)  gold 
D)  manganese 
E)  cobalt

Question 5

What is the coordination number of cobalt in [Co(NH3)5Cl](NO3)2  ?

Accepted Answer

A)  4 
B)  2 
C)  12 
D)  6 
E)  8 
A)  4 
B)  2 
C)  12 
D)  6 
E)  8

Question 6

A large difference in formation constant (Kf ) is a poly- versus monodentate ligand is called .

Accepted Answer

Question 7

Green and orange are complementary colors.

Accepted Answer

A) True 
 B)False

Question 8

How many isomers exist for the octahedral complex ion [Co(NH3)4F2]+  ?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 9

Complexes containing metals with d0 electron configurations are typically colorless because

Accepted Answer

A)  d electrons must be emitted by the complex in order for it to appear colored. 
B)  the empty d orbitals absorb all of the visible wavelengths. 
C)  there is no d electron that can be promoted via the absorption of visible light. 
D)  a complex must be charged to be colored. 
E)  there are no d electrons to form bonds to ligands. 
A)  d electrons must be emitted by the complex in order for it to appear colored. 
B)  the empty d orbitals absorb all of the visible wavelengths. 
C)  there is no d electron that can be promoted via the absorption of visible light. 
D)  a complex must be charged to be colored. 
E)  there are no d electrons to form bonds to ligands.

Question 10

What is the purpose of adding sodium tripolyphosphate to a detergent?

Accepted Answer

to sequester the metal ions in

Question 11

What is the oxidation number of chromium in [Cr(NH3)4Cl2]Cl ?

Accepted Answer

A)  - 2 
B)  +2 
C)  +3 
D)  - 3 
E)  0 
A)  - 2 
B)  +2 
C)  +3 
D)  - 3 
E)  0

Question 12

Which one of the following is the correct formula for potassium diaquatetrachloromolybdate (III)?

Accepted Answer

A)  K3[Mo(H2O)2Cl4] 
B)  K2[Mo(H2O)2Cl4] 
C)  K[Mo(H2O)2Cl4] 
D)  K[Mo(H2O)2Cl2]Cl2 
E)  Mo[K(H2O)2]Cl4 
A)  K3[Mo(H2O)2Cl4] 
B)  K2[Mo(H2O)2Cl4] 
C)  K[Mo(H2O)2Cl4] 
D)  K[Mo(H2O)2Cl2]Cl2 
E)  Mo[K(H2O)2]Cl4

Question 13

Coordination sphere isomers

Accepted Answer

A)  have the same formula and coordination number. 
B)  have the same formula but different coordination numbers. 
C)  are the same as resonance structures. 
D)  have different formulas but the same coordination number. 
E)  have different formulas and different coordination numbers. 
A)  have the same formula and coordination number. 
B)  have the same formula but different coordination numbers. 
C)  are the same as resonance structures. 
D)  have different formulas but the same coordination number. 
E)  have different formulas and different coordination numbers.

Question 14

Which one of the following ions cannot form both a high spin and a low spin octahedral complex ion?

Accepted Answer

A)  Cr2+  
B)  Fe3+  
C)  Co2+  
D)  Cr3+  
E)  Mn3+ 
A)  Cr2+  
B)  Fe3+  
C)  Co2+  
D)  Cr3+  
E)  Mn3+

Question 15

The formula for potassium dibromodicarbonylrhodate(II) is _ _.

Accepted Answer

A)  K[Rh(Co)2Br2] 
B)  K3[Rh(Co)2Br2] 
C)  K3[Rh(Co)2Br2]2 
D)  K[Rh(Co)2Br2]2 
E)  K2[Rh(Co)2Br2] 
A)  K[Rh(Co)2Br2] 
B)  K3[Rh(Co)2Br2] 
C)  K3[Rh(Co)2Br2]2 
D)  K[Rh(Co)2Br2]2 
E)  K2[Rh(Co)2Br2]

Question 16

Formation of a complex species of Mn+ metal ion with ligands often .

Accepted Answer

A)  "masks" original chemical properties of both the Mn+ ion and the ligands 
B)  may cause changes in the ease with which Mn+ is reduced or oxidized 
C)  alters original physical properties of Mn+ 
D)  reduces availability of the free Mn+ ions in solution 
E)  all of the above 
A)  "masks" original chemical properties of both the Mn+ ion and the ligands 
B)  may cause changes in the ease with which Mn+ is reduced or oxidized 
C)  alters original physical properties of Mn+ 
D)  reduces availability of the free Mn+ ions in solution 
E)  all of the above

Question 17

The coordination numbers of cobalt(III) and of chromium(III) in their complexes are always
)

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  2 
A)  3 
B)  4 
C)  5 
D)  6 
E)  2

Question 18

To separate racemic mixtures the isomers must be in a chiral environment.

Accepted Answer

A) True 
 B)False

Question 19

What is the coordination number of iron in CaNa[Fe(CN)6] ?

Accepted Answer

A)  2 
B)  8 
C)  6 
D)  12 
E)  4 
A)  2 
B)  8 
C)  6 
D)  12 
E)  4

Question 20

An enzyme must contain a metal ion to be chiral.

Accepted Answer

A) True 
 B)False

Exam 24: Chemistry of Coordination Compounds

A geometrical isomer with like groups located on opposite sides of the metal atom is denoted with the prefix _.

Name the compound, Ca[AlH4]2.

What is the metal ion in the porphyrin of heme ?

What transition metal is responsible for the color of ruby ?

What is the coordination number of cobalt in [Co(NH3)5Cl](NO3)2 ?

A large difference in formation constant (Kf ) is a poly- versus monodentate ligand is called .

Green and orange are complementary colors.

How many isomers exist for the octahedral complex ion [Co(NH3)4F2]+ ?

Complexes containing metals with d0 electron configurations are typically colorless because

What is the purpose of adding sodium tripolyphosphate to a detergent?

What is the oxidation number of chromium in [Cr(NH3)4Cl2]Cl ?

Which one of the following is the correct formula for potassium diaquatetrachloromolybdate (III)?

Coordination sphere isomers

Which one of the following ions cannot form both a high spin and a low spin octahedral complex ion?

The formula for potassium dibromodicarbonylrhodate(II) is _ _.

Formation of a complex species of Mn+ metal ion with ligands often .

The coordination numbers of cobalt(III) and of chromium(III) in their complexes are always )

To separate racemic mixtures the isomers must be in a chiral environment.

What is the coordination number of iron in CaNa[Fe(CN)6] ?

An enzyme must contain a metal ion to be chiral.

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, Ca[AlH₄]₂.

What is the coordination number of cobalt in [Co(NH₃)₅Cl](NO₃)₂?

A large difference in formation constant (K_f) is a poly- versus monodentate ligand is called .

How many isomers exist for the octahedral complex ion [Co(NH₃)₄F₂]⁺?

Complexes containing metals with d⁰electron configurations are typically colorless because

What is the oxidation number of chromium in [Cr(NH₃)₄Cl₂]Cl ?

Formation of a complex species of Mⁿ⁺metal ion with ligands often .

What is the coordination number of iron in CaNa[Fe(CN)₆] ?