Question 1

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

Accepted Answer

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

Question 2

Which ion shown has empty 5s orbitals?

Accepted Answer

A) Mo2+ 
B) Y3+ 
C) Zr4+ 
D) Nb2+ 
E) All choices have empty 5s orbitals. 
A) Mo2+ 
B) Y3+ 
C) Zr4+ 
D) Nb2+ 
E) All choices have empty 5s orbitals.

Question 3

Based on entropy considerations alone,which homogeneous aqueous equilibrium would be expected to lie to the right?

Accepted Answer

A) AgI2- + 2Br- ⇔ AgBr2- + 2I- 
B) Ni(H2NC2H4NH2)32+ + 6NH3 ⇔ Ni(NH3)62+ + 3H2NC2H4NH2 
C) CoCl42+ + 6H2O ⇔ Co(H2O)62+ + 4Cl- 
D) Fe(NH3)62+ + C20H10N42- ⇔ Fe(NH3)2(C20H10N4)+ 4NH3 
E) Cu(NH3)42+ + 6H2O ⇔ Cu(H2O)62+ + 4NH3 
A) AgI2- + 2Br- ⇔ AgBr2- + 2I- 
B) Ni(H2NC2H4NH2)32+ + 6NH3 ⇔ Ni(NH3)62+ + 3H2NC2H4NH2 
C) CoCl42+ + 6H2O ⇔ Co(H2O)62+ + 4Cl- 
D) Fe(NH3)62+ + C20H10N42- ⇔ Fe(NH3)2(C20H10N4)+ 4NH3 
E) Cu(NH3)42+ + 6H2O ⇔ Cu(H2O)62+ + 4NH3

Question 4

The "dentation" of a ligand is defined by ________.

Accepted Answer

A) how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B) how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C) the total number of lone pairs of electrons it possesses 
D) how many metal ions it can sequester from solution 
E) none of the above 
A) how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B) how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C) the total number of lone pairs of electrons it possesses 
D) how many metal ions it can sequester from solution 
E) none of the above

Question 5

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

Accepted Answer

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

Question 6

Which of the following cannot form both high- and low-spin octahedral complexes?

Accepted Answer

A) Mn2+ 
B) V2+ 
C) Co3+ 
D) Cr2+ 
E) All of the above can form both high- and low-spin complexes. 
A) Mn2+ 
B) V2+ 
C) Co3+ 
D) Cr2+ 
E) All of the above can form both high- and low-spin complexes.

Question 7

What is the charge on the complex ion in Mg2[FeCl6]?

Accepted Answer

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

Question 8

Isomers whose ligands can bind directly to a metal or be outside the lattice are called ________.

Accepted Answer

A) linkage isomers 
B) rotational isomers 
C) coordination sphere isomers 
D) geometric isomers 
E) optical isomers 
A) linkage isomers 
B) rotational isomers 
C) coordination sphere isomers 
D) geometric isomers 
E) optical isomers

Question 9

The coordination number of cobalt in CoCl3 ∙ 6NH3 is ________.

Accepted Answer

A) 6 
B) 7 
C) 8 
D) 1 
E) 2 
A) 6 
B) 7 
C) 8 
D) 1 
E) 2

Question 10

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

Accepted Answer

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

Question 11

Most transition metal ions contain partially occupied ________ subshells.

Accepted Answer

The answer of Most transition metal ions contain partially occupied...

Question 12

The color of hemoglobin changes from purple to red when water displaces oxygen on the molecule.

Accepted Answer

A) True 
 B)False

Question 13

Which mineral contains titanium?

Accepted Answer

A) pyrolusite 
B) chalcopyrite 
C) galena 
D) rutile 
E) sphalerite 
A) pyrolusite 
B) chalcopyrite 
C) galena 
D) rutile 
E) sphalerite

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

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

Question 17

What are the respective central-metal oxidation state,coordination number,and overall charge on the complex ion in Na2[Cr(NH3)2 (NCS)4]?

Accepted Answer

A) +3; 6; -1 
B) +3; 6; +1 
C) +2; 6; -2 
D) +2; 4; -1 
E) +1; 6; -2 
A) +3; 6; -1 
B) +3; 6; +1 
C) +2; 6; -2 
D) +2; 4; -1 
E) +1; 6; -2

Question 18

Which element has the largest bonding atomic radius?

Accepted Answer

A) scandium 
B) titanium 
C) vanadium 
D) chromium 
E) manganese 
A) scandium 
B) titanium 
C) vanadium 
D) chromium 
E) manganese

Question 19

During the formation of a coordination compound,the ________ acts as a Lewis acid.

Accepted Answer

A) metal 
B) ligand 
A) metal 
B) ligand

Question 20

The minimum number of unshared valence electron pairs in the ligands of a coordination compound is ________.

Accepted Answer

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

Exam 23: Transition Metals and Coordination Chemistry

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

Which ion shown has empty 5s orbitals?

Based on entropy considerations alone,which homogeneous aqueous equilibrium would be expected to lie to the right?

The "dentation" of a ligand is defined by ________.

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

Which of the following cannot form both high- and low-spin octahedral complexes?

What is the charge on the complex ion in Mg2[FeCl6]?

Isomers whose ligands can bind directly to a metal or be outside the lattice are called ________.

The coordination number of cobalt in CoCl3 ∙ 6NH3 is ________.

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

Most transition metal ions contain partially occupied ________ subshells.

The color of hemoglobin changes from purple to red when water displaces oxygen on the molecule.

Which mineral contains titanium?

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

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

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

What are the respective central-metal oxidation state,coordination number,and overall charge on the complex ion in Na2[Cr(NH3)2 (NCS)4]?

Which element has the largest bonding atomic radius?

During the formation of a coordination compound,the ________ acts as a Lewis acid.

The minimum number of unshared valence electron pairs in the ligands of a coordination compound is ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

The Chemistry of Life: Organic and Biological Chemistry

Filters

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

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

What is the charge on the complex ion in Mg₂[FeCl₆]?

The coordination number of cobalt in CoCl₃ ∙ 6NH₃ is ________.

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

What are the respective central-metal oxidation state,coordination number,and overall charge on the complex ion in Na₂[Cr(NH₃)₂ (NCS)₄]?