Question 1

A ligand with a single donor atom is called ________.

Accepted Answer

A) monodentate 
B) bidentate 
C) polydentate 
D) a chelate 
E) a chelon 
A) monodentate 
B) bidentate 
C) polydentate 
D) a chelate 
E) a chelon A

Question 2

In the following reaction, Ni2+ is acting as a(n)________. Ni2+ (g) + 6H2O (l) → Ni(H2O)62+ (aq)

Accepted Answer

A) oxidizing agent 
B) Lewis acid 
C) precipitating agent 
D) solvent 
E) ligand 
A) oxidizing agent 
B) Lewis acid 
C) precipitating agent 
D) solvent 
E) ligand B

Question 3

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 B

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

The secondary valence in metal ion complexes is called the ________.

Accepted Answer

The answer of The secondary valence in metal ion complexes...

Question 7

The ligand with the name aqua when used in complexes with transition metals has the formula ________.

Accepted Answer

A) H2O 
B) H2O2 
C) HO- 
D) N3- 
E) H3O+ 
A) H2O 
B) H2O2 
C) HO- 
D) N3- 
E) H3O+

Question 8

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of ________ and ________.

Accepted Answer

oxidation

Question 9

Which one of the following species is paramagnetic?

Accepted Answer

A) Cu 
B) Ne 
C) Y3+ 
D) Ra 
E) Zn2+ 
A) Cu 
B) Ne 
C) Y3+ 
D) Ra 
E) Zn2+

Question 10

Which one of the following species is paramagnetic?

Accepted Answer

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

Question 11

In what two ways can an object appear blue?

Accepted Answer

absorb all wavelengths except

Question 12

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

Accepted Answer

A) Lewis acid 
B) Br∅nsted acid 
C) Arrhenius acid 
D) Br∅nsted base 
E) Lewis base 
A) Lewis acid 
B) Br∅nsted acid 
C) Arrhenius acid 
D) Br∅nsted base 
E) Lewis base

Question 13

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

Accepted Answer

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

Question 14

How many bonds can ethylenediamine form to a metal ion?

Accepted Answer

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

Question 15

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

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 6 
E) 8 
A) 2 
B) 3 
C) 4 
D) 6 
E) 8

Question 16

Which one of the following substances has three unpaired d electrons?

Accepted Answer

A) [Zn(NH3)4]2+ 
B) [V(H2O)6]4+ 
C) [Ag(NH3)2]+ 
D) [Cu(NH3)4]2+ 
E) [Cr(CN)6]3- 
A) [Zn(NH3)4]2+ 
B) [V(H2O)6]4+ 
C) [Ag(NH3)2]+ 
D) [Cu(NH3)4]2+ 
E) [Cr(CN)6]3-

Question 17

Which one of the following is not true about transition metals?

Accepted Answer

A) They frequently have more than one common oxidation state. 
B) Their compounds are frequently colored. 
C) Their compounds frequently exhibit magnetic properties. 
D) They are found in the d-block of the periodic table. 
E) They typically have low melting points. 
A) They frequently have more than one common oxidation state. 
B) Their compounds are frequently colored. 
C) Their compounds frequently exhibit magnetic properties. 
D) They are found in the d-block of the periodic table. 
E) They typically have low melting points.

Question 18

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 19

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 20

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.

Exam 23: Transition Metals and Coordination Chemistry

A ligand with a single donor atom is called ________.

In the following reaction, Ni2+ is acting as a(n)________. Ni2+ (g) + 6H2O (l) → Ni(H2O)62+ (aq)

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

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

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

The secondary valence in metal ion complexes is called the ________.

The ligand with the name aqua when used in complexes with transition metals has the formula ________.

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of ________ and ________.

Which one of the following species is paramagnetic?

Which one of the following species is paramagnetic?

In what two ways can an object appear blue?

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

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

How many bonds can ethylenediamine form to a metal ion?

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

Which one of the following substances has three unpaired d electrons?

Which one of the following is not true about transition metals?

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

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.

Which ion shown has empty 5s orbitals?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

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

In the following reaction, Ni²⁺ is acting as a(n)________. Ni²⁺ (g) + 6H₂O (l) → Ni(H₂O)₆²⁺ (aq)

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

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

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of and .

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

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.