Question 1

Explain how EDTA is used to treat lead poisoning.

Accepted Answer

A calcium complex of EDTA is a

Question 2

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

Accepted Answer

A) [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+ 
B) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)2(H2O)4]Br2 
C) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)4(H2O)2]Cl2 
D) [Cu(CO)5Br]Cl and [Cu(CO)5Cl]Br 
E) [MnCl3Br]2- and [MnClBr3]2- 
A) [Fe(CO)5NO2]2+ and [Fe(CO)5ONO]2+ 
B) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)2(H2O)4]Br2 
C) [Fe(NH3)2(H2O)4]Cl2 and [Fe(NH3)4(H2O)2]Cl2 
D) [Cu(CO)5Br]Cl and [Cu(CO)5Cl]Br 
E) [MnCl3Br]2- and [MnClBr3]2-

Question 3

What is the ground-state electron configuration for the element chromium (Z = 24)?

Accepted Answer

A) [Ne] 4s23d4 
B) [Ar] 4s23d4 
C) [Ar] 4s13d5 
D) [Ar] 3d6 
A) [Ne] 4s23d4 
B) [Ar] 4s23d4 
C) [Ar] 4s13d5 
D) [Ar] 3d6

Question 4

Which of the following species is diamagnetic?

Accepted Answer

A) an isolated gas-phase Cr3+ ion 
B) a high-spin octahedral Cr2+ complex 
C) an isolated gas-phase Cu2+ ion 
D) a low-spin octahedral Co3+ complex 
A) an isolated gas-phase Cr3+ ion 
B) a high-spin octahedral Cr2+ complex 
C) an isolated gas-phase Cu2+ ion 
D) a low-spin octahedral Co3+ complex

Question 5

Determine the chemical formula for the compound hexaammineiron(III)hexacyanoferrate(III).

Accepted Answer

A) [Fe2(NH3)6(CN)6]3+ 
B) [Fe(NH3)6][Fe(CN)6]2 
C) [Fe(NH3)6]3[Fe(CN)6]2 
D) [Fe(NH3)6][Fe(CN)6] 
E) [Fe2(NH3)3(CN)3]6+ 
A) [Fe2(NH3)6(CN)6]3+ 
B) [Fe(NH3)6][Fe(CN)6]2 
C) [Fe(NH3)6]3[Fe(CN)6]2 
D) [Fe(NH3)6][Fe(CN)6] 
E) [Fe2(NH3)3(CN)3]6+

Question 6

Which of the following is a type of structural isomerism?

Accepted Answer

A) linkage isomers 
B) cis-trans isomers 
C) fac-mer isomers 
D) enantiomers 
E) optical isomers 
A) linkage isomers 
B) cis-trans isomers 
C) fac-mer isomers 
D) enantiomers 
E) optical isomers

Question 7

Name the following: [Fe(H2O)4Br2]Cl

Accepted Answer

A) tetraaquadibromoiron(II)chloride 
B) dibromotetrahydroironchloride 
C) dibromotetrahydroiron(II)chloride 
D) tetraaquadibromoiron(III)chloride 
E) iron(II)dibromotetraquachloride 
A) tetraaquadibromoiron(II)chloride 
B) dibromotetrahydroironchloride 
C) dibromotetrahydroiron(II)chloride 
D) tetraaquadibromoiron(III)chloride 
E) iron(II)dibromotetraquachloride

Question 8

Name the following: [Fe(CO)6][Ag(CN)2]2

Accepted Answer

A) iron(III)hexacarbonyl silverdicyanide 
B) hexacarbonyliron(II)dicyanoargentate 
C) iron(II)carbonyl silvercyanide 
D) hexacarbonyliron(III)dicyanosilvate 
E) iron(II)hexacarbonyl silvercyanide 
A) iron(III)hexacarbonyl silverdicyanide 
B) hexacarbonyliron(II)dicyanoargentate 
C) iron(II)carbonyl silvercyanide 
D) hexacarbonyliron(III)dicyanosilvate 
E) iron(II)hexacarbonyl silvercyanide

Question 9

Identify the ion that is responsible for the green colour in emeralds.

Accepted Answer

A) Cr+3 
B) Cr+4 
C) Cr+5 
D) Cr+6 
E) Cr+7 
A) Cr+3 
B) Cr+4 
C) Cr+5 
D) Cr+6 
E) Cr+7

Question 10

Choose the electron configuration for Ti2+.

Accepted Answer

A) [Ar]3d2 
B) [Ar]4s23d2 
C) [Ar]4s23d4 
D) [Ar]4s2 
E) [Ne]3s23p6 
A) [Ar]3d2 
B) [Ar]4s23d2 
C) [Ar]4s23d4 
D) [Ar]4s2 
E) [Ne]3s23p6

Explain how EDTA is used to treat lead poisoning.

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

What is the ground-state electron configuration for the element chromium (Z = 24)?

Which of the following species is diamagnetic?

Determine the chemical formula for the compound hexaammineiron(III)hexacyanoferrate(III).

Which of the following is a type of structural isomerism?

Name the following: [Fe(H₂O)₄Br₂]Cl

Name the following: [Fe(CO)₆][Ag(CN)₂]₂

Identify the ion that is responsible for the green colour in emeralds.

Choose the electron configuration for Ti²⁺.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules,compounds,and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Filters

Exam 25: Transition Metals and Coordination Compounds

Explain how EDTA is used to treat lead poisoning.

Which of the following pairs of coordination compounds or complex ions are examples of coordination isomers?

What is the ground-state electron configuration for the element chromium (Z = 24)?

Which of the following species is diamagnetic?

Determine the chemical formula for the compound hexaammineiron(III)hexacyanoferrate(III).

Which of the following is a type of structural isomerism?

Name the following: [Fe(H2O)4Br2]Cl

Name the following: [Fe(CO)6][Ag(CN)2]2

Identify the ion that is responsible for the green colour in emeralds.

Choose the electron configuration for Ti2+.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules,compounds,and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Filters

Name the following: [Fe(H₂O)₄Br₂]Cl

Name the following: [Fe(CO)₆][Ag(CN)₂]₂

Choose the electron configuration for Ti²⁺.