Question 1

Name the complex ion [Cr(en)2(H2O)2]2+.

Accepted Answer

diaquobis(

Question 2

The total number of electrons in the 3d orbitals of Ti3+ is

Accepted Answer

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

Question 3

Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion.

Accepted Answer

The answer of Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion....

Question 4

Which of these square planar complex ions can have cis-trans isomers?

Accepted Answer

A) [Pt(NH3)4]2+ 
B) [Ni(NH3)4]2+ 
C) [Pt(NH3)2Cl2] 
D) [Pt(NH3)Cl3]- 
E) [Ni(NH3)3Cl]+ 
A) [Pt(NH3)4]2+ 
B) [Ni(NH3)4]2+ 
C) [Pt(NH3)2Cl2] 
D) [Pt(NH3)Cl3]- 
E) [Ni(NH3)3Cl]+

Question 5

Which of these ligands produces the strongest crystal field?

Accepted Answer

A) Cl- 
B) CO 
C) OH- 
D) H2O 
E) NH3 
A) Cl- 
B) CO 
C) OH- 
D) H2O 
E) NH3

Question 6

In K4[Fe(CN)6], how many 3d electrons does the iron atom have?

Accepted Answer

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

Question 7

Bidentate and polydentate ligands are also called chelating agents.

Accepted Answer

A) True 
 B)False

Question 8

The total number of electrons in the 3d orbitals of a titanium atom is

Accepted Answer

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

Question 9

The best name for the complex shown below is

Accepted Answer

A) cobalt(III)bis(ethylenediamine)bromide. 
B) dibromobis(ethylenediamine)cobalt(III)bromide. 
C) dibromidedi(ethylenediamine)cobalt(III)bromide. 
D) dibromodiethylenediaaminecobalt(III)bromide. 
E) tribromobis(ethylenediamine)cobalt(III). 
A) cobalt(III)bis(ethylenediamine)bromide. 
B) dibromobis(ethylenediamine)cobalt(III)bromide. 
C) dibromidedi(ethylenediamine)cobalt(III)bromide. 
D) dibromodiethylenediaaminecobalt(III)bromide. 
E) tribromobis(ethylenediamine)cobalt(III).

Question 10

Which of these complex ions would absorb light with the longest wavelength?

Accepted Answer

A) [Co(H2O)6]2+ 
B) [Co(NH3)6]2+ 
C) [CoF6]4- 
D) [Co(CN)6]4- 
E) [Co(en)6]2+ 
A) [Co(H2O)6]2+ 
B) [Co(NH3)6]2+ 
C) [CoF6]4- 
D) [Co(CN)6]4- 
E) [Co(en)6]2+

Question 11

Predict the number of unpaired electrons in the [Cr(en)3]2+ ion.

Accepted Answer

Question 12

The electron configuration of a Ti atom is

Accepted Answer

A) [Ne]3s23d2. 
B) [Ne] 3s24d2. 
C) [Ar]4s23d2. 
D) [Ar]4s24d2. 
E) [Ar]3d4. 
A) [Ne]3s23d2. 
B) [Ne] 3s24d2. 
C) [Ar]4s23d2. 
D) [Ar]4s24d2. 
E) [Ar]3d4.

Question 13

Predict the number of unpaired electrons in the [CrCl6]4- ion.

Accepted Answer

Question 14

What is the oxidation number of cobalt in [Co(NH3)6]Cl3?

Accepted Answer

Question 15

In the coordination compound [Cr(NH3)(en)2Cl]Br2, the coordination number (C.N.)and oxidation number (O.N.)of the metal atom are, respectively,

Accepted Answer

A) C.N. = 6; O.N. = +4. 
B) C.N. = 6; O.N. = +3. 
C) C.N. = 5; O.N. = +2. 
D) C.N. = 4; O.N. = +2. 
E) C.N. = 4; O.N. = +3. 
A) C.N. = 6; O.N. = +4. 
B) C.N. = 6; O.N. = +3. 
C) C.N. = 5; O.N. = +2. 
D) C.N. = 4; O.N. = +2. 
E) C.N. = 4; O.N. = +3.

Question 16

The total number of electrons in the 3d orbitals of Co3+ is

Accepted Answer

A) 4. 
B) 5. 
C) 6. 
D) 7. 
E) 10. 
A) 4. 
B) 5. 
C) 6. 
D) 7. 
E) 10.

Name the complex ion [Cr(en)₂(H₂O)₂]²⁺.

The total number of electrons in the 3d orbitals of Ti³⁺ is

Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion.

Which of these square planar complex ions can have cis-trans isomers?

Which of these ligands produces the strongest crystal field?

In K₄[Fe(CN)₆], how many 3d electrons does the iron atom have?

Bidentate and polydentate ligands are also called chelating agents.

The total number of electrons in the 3d orbitals of a titanium atom is

The best name for the complex shown below is

Which of these complex ions would absorb light with the longest wavelength?

Predict the number of unpaired electrons in the [Cr(en)₃]²⁺ ion.

The electron configuration of a Ti atom is

Predict the number of unpaired electrons in the [CrCl₆]^4- ion.

What is the oxidation number of cobalt in [Co(NH₃)₆]Cl₃?

In the coordination compound [Cr(NH₃)(en)₂Cl]Br₂, the coordination number (C.N.)and oxidation number (O.N.)of the metal atom are, respectively,

The total number of electrons in the 3d orbitals of Co³⁺ is

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

Exam 20: The Chemistry of Coordination Compounds

Name the complex ion [Cr(en)2(H2O)2]2+.

The total number of electrons in the 3d orbitals of Ti3+ is

Write the chemical formula of the dibromobis(oxalato)cobaltate(III)ion.

Which of these square planar complex ions can have cis-trans isomers?

Which of these ligands produces the strongest crystal field?

In K4[Fe(CN)6], how many 3d electrons does the iron atom have?

Bidentate and polydentate ligands are also called chelating agents.

The total number of electrons in the 3d orbitals of a titanium atom is

The best name for the complex shown below is

Which of these complex ions would absorb light with the longest wavelength?

Predict the number of unpaired electrons in the [Cr(en)3]2+ ion.

The electron configuration of a Ti atom is

Predict the number of unpaired electrons in the [CrCl6]4- ion.

What is the oxidation number of cobalt in [Co(NH3)6]Cl3?

In the coordination compound [Cr(NH3)(en)2Cl]Br2, the coordination number (C.N.)and oxidation number (O.N.)of the metal atom are, respectively,

The total number of electrons in the 3d orbitals of Co3+ is

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

Name the complex ion [Cr(en)₂(H₂O)₂]²⁺.

The total number of electrons in the 3d orbitals of Ti³⁺ is

In K₄[Fe(CN)₆], how many 3d electrons does the iron atom have?

Predict the number of unpaired electrons in the [Cr(en)₃]²⁺ ion.

Predict the number of unpaired electrons in the [CrCl₆]^4- ion.

What is the oxidation number of cobalt in [Co(NH₃)₆]Cl₃?

In the coordination compound [Cr(NH₃)(en)₂Cl]Br₂, the coordination number (C.N.)and oxidation number (O.N.)of the metal atom are, respectively,

The total number of electrons in the 3d orbitals of Co³⁺ is