Question 1

Transition metal ions with empty valence orbitals act as ________.

Accepted Answer

The answer of Transition metal ions with empty valence orbitals...

Question 2

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

Accepted Answer

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

Question 3

Draw a diagram of the short-hand ground state electron configuration of zinc.

Accepted Answer

The answer of Draw a diagram of the short-hand ground...

Question 4

The ligand with the formula Br- is named ________ in complexes with transition metals.

Accepted Answer

A) bromo 
B) bromide 
C) fluoro 
D) carbonato 
E) azido 
A) bromo 
B) bromide 
C) fluoro 
D) carbonato 
E) azido

Question 5

A ligand with a single donor atom is called ________.

Accepted Answer

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

Question 6

The chelate effect is best attributed to considerations of which type?

Accepted Answer

A) hydration 
B) enthalpy 
C) entropy 
D) hydrogen bonding 
E) resonance 
A) hydration 
B) enthalpy 
C) entropy 
D) hydrogen bonding 
E) resonance

Question 7

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

Accepted Answer

Question 8

The chelate effect is enhanced by polydentate ligand binding because of the change in ________.

Accepted Answer

The answer of The chelate effect is enhanced by polydentate...

Question 9

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

Accepted Answer

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

Question 10

How many d electrons are associated with the metal ion in [Cr(NH3)6]3+?

Accepted Answer

A) 3 
B) 4 
C) 2 
D) 1 
E) 0 
A) 3 
B) 4 
C) 2 
D) 1 
E) 0

Question 11

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

Accepted Answer

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

Question 12

The correct name for [Co(NH3)5Cl]Cl2 is ________.

Accepted Answer

A) pentaaminechlorocobalt (III)chloride 
B) chloropentaammoniacobalt (II)chloride 
C) pentaammoniachlorocobalt (II)chloride 
D) cobalt (III)pentaamino trichloride 
E) cobalt (III)pentaamminemonochloride chloride 
A) pentaaminechlorocobalt (III)chloride 
B) chloropentaammoniacobalt (II)chloride 
C) pentaammoniachlorocobalt (II)chloride 
D) cobalt (III)pentaamino trichloride 
E) cobalt (III)pentaamminemonochloride chloride

Question 13

A mineral is ________.

Accepted Answer

A) a solid inorganic compound that contains one or more metals 
B) a vitamin 
C) metal in its elemental form 
D) a transition metal ion 
E) a source of carbon 
A) a solid inorganic compound that contains one or more metals 
B) a vitamin 
C) metal in its elemental form 
D) a transition metal ion 
E) a source of carbon

Question 14

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

Question 15

Green and orange are complementary colors.

Accepted Answer

A) True 
 B)False

Question 16

Most transition metal ions contain partially occupied ________ subshells.

Accepted Answer

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

Question 17

Which one of the following is the correct formula for pentaamminechlorocobalt (III)chloride?

Accepted Answer

A) [Co(NH3)5Cl]Cl2 
B) [Co(NH3)4Cl]Cl2  
C) [Co(NH3)6Cl]Cl2 
D) [Co(NH3)5]Cl4  
E) [Cl(NH3)5Co]Co2 
A) [Co(NH3)5Cl]Cl2 
B) [Co(NH3)4Cl]Cl2  
C) [Co(NH3)6Cl]Cl2 
D) [Co(NH3)5]Cl4  
E) [Cl(NH3)5Co]Co2

Question 18

How can high-spin and low-spin transition metal complexes be distinguished from each other?

Accepted Answer

Magnetic properties

Question 19

A racemic mixture is ________.

Accepted Answer

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

Question 20

Myoglobin has ________ heme group(s)that bind(s)________.

Accepted Answer

The answer of Myoglobin has ________ heme group(s)that bind(s)________....

Exam 23: Transition Metals and Coordination Chemistry

Transition metal ions with empty valence orbitals act as ________.

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

Draw a diagram of the short-hand ground state electron configuration of zinc.

The ligand with the formula Br- is named ________ in complexes with transition metals.

A ligand with a single donor atom is called ________.

The chelate effect is best attributed to considerations of which type?

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

The chelate effect is enhanced by polydentate ligand binding because of the change in ________.

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

How many d electrons are associated with the metal ion in [Cr(NH3)6]3+?

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

The correct name for [Co(NH3)5Cl]Cl2 is ________.

A mineral is ________.

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?

Green and orange are complementary colors.

Most transition metal ions contain partially occupied ________ subshells.

Which one of the following is the correct formula for pentaamminechlorocobalt (III)chloride?

How can high-spin and low-spin transition metal complexes be distinguished from each other?

A racemic mixture is ________.

Myoglobin has ________ heme group(s)that bind(s)________.

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

The ligand with the formula Br^- is named ________ in complexes with transition metals.

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

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

How many d electrons are associated with the metal ion in [Cr(NH₃)₆]³⁺?

The correct name for [Co(NH₃)₅Cl]Cl₂is ________.

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?

Myoglobin has heme group(s)that bind(s).