Question 1

Complexes containing metals with d10 electron configurations are typically _.

Accepted Answer

A)  blue 
B)  colorless 
C)  yellow 
D)  violet 
E)  green 
A)  blue 
B)  colorless 
C)  yellow 
D)  violet 
E)  green

Question 2

What purpose would sodium tripolyphosphate serve in a detergent formulation?

Accepted Answer

A)  to aid in removal of rust stains from surfaces and from clothes 
B)  to improve the flow characteristics of the detergent in the box 
C)  to aid in keeping the inside of washing machines clean and free from corrosion 
D)  to complex and hence sequester metal ions in hard water 
E)  to reduce bacterial growth in the detergent upon storage 
A)  to aid in removal of rust stains from surfaces and from clothes 
B)  to improve the flow characteristics of the detergent in the box 
C)  to aid in keeping the inside of washing machines clean and free from corrosion 
D)  to complex and hence sequester metal ions in hard water 
E)  to reduce bacterial growth in the detergent upon storage

Question 3

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+  ?

Accepted Answer

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

Question 4

Changes in the coordination sphere of a complex compound may lead to changes in .

Accepted Answer

A)  chemical properties 
B)  color 
C)  physical properties 
D)  stability 
E)  all of the above 
A)  chemical properties 
B)  color 
C)  physical properties 
D)  stability 
E)  all of the above

Question 5

The coordination number for [Zn(H2O)3Cl]Cl is _ .

Accepted Answer

A)  5 
B)  2 
C)  1 
D)  4 
E)  6 
A)  5 
B)  2 
C)  1 
D)  4 
E)  6

Question 6

The heme unit of myoglobin is bound to the protein via a nitrogen containing ligand.

Accepted Answer

A) True 
 B)False

Question 7

Which one of the following species is a potential polydentate ligand (chelating agent)?

Accepted Answer

A)  Cl-  
B)  NH3  
C)  H2O 
D)  C2O42-  
E)  CN- 
A)  Cl-  
B)  NH3  
C)  H2O 
D)  C2O42-  
E)  CN-

Question 8

A compound that can occupy two coordination sites is a (an) .

Accepted Answer

The answer of A compound that can occupy two coordination...

Question 9

What are the donor atoms in a porphine molecule?

Accepted Answer

A)  F 
B)  O 
C)  S 
D)  N 
E)  Br 
A)  F 
B)  O 
C)  S 
D)  N 
E)  Br

Question 10

Which one of the following species is paramagnetic?

Accepted Answer

A)  Ag+  
B)  Zn 
C)  Ca 
D)  Cu+  
E)  Cr3+ 
A)  Ag+  
B)  Zn 
C)  Ca 
D)  Cu+  
E)  Cr3+

Question 11

EDTA is - dantate ligand.

Accepted Answer

A)  tetra 
B)  bi 
C)  tri 
D)  mono 
E)  hexa 
A)  tetra 
B)  bi 
C)  tri 
D)  mono 
E)  hexa

Question 12

What is the charge on the complex ion in Ca2[Fe(CN)6]?

Accepted Answer

A)  3- 
B)  2+ 
C)  1- 
D)  2- 
E)  4- 
A)  3- 
B)  2+ 
C)  1- 
D)  2- 
E)  4-

Question 13

What form of hemoglobin is purplish- red?

Accepted Answer

A)  oxyhemoglobin 
B)  deoxyhemoglobin 
A)  oxyhemoglobin 
B)  deoxyhemoglobin

Question 14

How many bonds can ethylenediamine form to a metal ion?

Accepted Answer

A)  6 
B)  4 
C)  1 
D)  3 
E)  2 
A)  6 
B)  4 
C)  1 
D)  3 
E)  2

Question 15

A complex of correctly written formula [Pt(NH3)3Br]Br·H2O has which set of ligands in its inner coordination sphere?

Accepted Answer

A)  3 NH3, 1 Br- - , and 1 H2O 
B)  3 NH3, 2 Br- , and 1 H2O 
C)  3 NH3 and 2 Br- 
D)  3 NH3 
E)  3 NH3 and 1 Br- 
A)  3 NH3, 1 Br- - , and 1 H2O 
B)  3 NH3, 2 Br- , and 1 H2O 
C)  3 NH3 and 2 Br- 
D)  3 NH3 
E)  3 NH3 and 1 Br-

Question 16

What is the oxidation number of the central metal in [Mo(H2O)5NO3] Cl2

Accepted Answer

Question 17

Complexes containing metals with which one of the following electron configurations are usually colorless?

Accepted Answer

A)  d1  
B)  d10  
C)  d8  
D)  d2  
E)  d5 
A)  d1  
B)  d10  
C)  d8  
D)  d2  
E)  d5

Question 18

What is the ligand in Ca3[Fe(CN)6]2  ?

Accepted Answer

A)  CN- 
B)  Ca2+ 
C)  Fe3+ 
D)  Fe2+ 
E)  Fe(CN)63- 
A)  CN- 
B)  Ca2+ 
C)  Fe3+ 
D)  Fe2+ 
E)  Fe(CN)63-

Question 19

Which one of the following complexes would most likely have tetrahedral geometry?

Accepted Answer

A)  [Fe(CN)6]3 
B)  [Pt(NH3)2Cl2] 
C)  [Cr(NH3)6]3+ 
D)  [Co(H2O)6]2+ 
E)  [NiCl4]2- 
A)  [Fe(CN)6]3 
B)  [Pt(NH3)2Cl2] 
C)  [Cr(NH3)6]3+ 
D)  [Co(H2O)6]2+ 
E)  [NiCl4]2-

Question 20

The charge of the complex ion in [Zn(H2O)3Cl]Cl is _ .

Accepted Answer

A)  1+ 
B)  0 
C)  2- 
D)  1- 
E)  2+ 
A)  1+ 
B)  0 
C)  2- 
D)  1- 
E)  2+

Exam 24: Chemistry of Coordination Compounds

Complexes containing metals with d10 electron configurations are typically _.

What purpose would sodium tripolyphosphate serve in a detergent formulation?

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+ ?

Changes in the coordination sphere of a complex compound may lead to changes in .

The coordination number for [Zn(H2O)3Cl]Cl is _ .

The heme unit of myoglobin is bound to the protein via a nitrogen containing ligand.

Which one of the following species is a potential polydentate ligand (chelating agent)?

A compound that can occupy two coordination sites is a (an) .

What are the donor atoms in a porphine molecule?

Which one of the following species is paramagnetic?

EDTA is - dantate ligand.

What is the charge on the complex ion in Ca2[Fe(CN)6]?

What form of hemoglobin is purplish- red?

How many bonds can ethylenediamine form to a metal ion?

A complex of correctly written formula [Pt(NH3)3Br]Br·H2O has which set of ligands in its inner coordination sphere?

What is the oxidation number of the central metal in [Mo(H2O)5NO3] Cl2

Complexes containing metals with which one of the following electron configurations are usually colorless?

What is the ligand in Ca3[Fe(CN)6]2 ?

Which one of the following complexes would most likely have tetrahedral geometry?

The charge of the complex ion in [Zn(H2O)3Cl]Cl is _ .

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

Complexes containing metals with d¹⁰electron configurations are typically _.

What is the oxidation state of chromium in [Cr(H₂O)₄Cl₂]⁺?

The coordination number for [Zn(H₂O)₃Cl]Cl is _ .

What is the charge on the complex ion in Ca₂[Fe(CN)₆]?

A complex of correctly written formula [Pt(NH₃)₃Br]Br·H₂O has which set of ligands in its inner coordination sphere?

What is the oxidation number of the central metal in [Mo(H₂O)₅NO_3]Cl₂

What is the ligand in Ca₃[Fe(CN)₆]₂?

The charge of the complex ion in [Zn(H₂O)₃Cl]Cl is _ .