Question 1

The first transition series metals are shown below.  
-Which has the lowest melting point?

Accepted Answer

A) Sc 
B) V 
C) Mn 
D) Zn 
A) Sc 
B) V 
C) Mn 
D) Zn

Question 2

[Co(NH3)5NCS]2+ and [Co(NH3)5SCN]2+ are examples of ________ isomers.

Accepted Answer

Question 3

Which of the following complex ions is colorless?

Accepted Answer

A) [Co(H2O)6]2+ 
B) [Mn(CN)6]3- 
C) [CrCl3(H2O)3] 
D) [Ag(NH3)2]+ 
A) [Co(H2O)6]2+ 
B) [Mn(CN)6]3- 
C) [CrCl3(H2O)3] 
D) [Ag(NH3)2]+

Question 4

The first transition series metals are shown below.  
-Based on the variation in Zeff,which M2+ ion should be the weakest reducing agent?

Accepted Answer

A) Ti 
B) Cr 
C) Fe 
D) Zn 
A) Ti 
B) Cr 
C) Fe 
D) Zn

Question 5

Which metal ion is most likely to form a square planar complex ion with CN-?

Accepted Answer

A) Co2+ 
B) Cu2+ 
C) Ni2+ 
D) Zn2+ 
A) Co2+ 
B) Cu2+ 
C) Ni2+ 
D) Zn2+

Question 6

Though we would expect an increase in atomic radii going down a group from the second to the third transition series of elements,the actual radii are nearly identical.The term commonly used to describe this phenomenon is the ________.

Accepted Answer

A) atomic disparity 
B) effective nuclear charge 
C) lanthanide contraction 
D) transition default 
A) atomic disparity 
B) effective nuclear charge 
C) lanthanide contraction 
D) transition default

Question 7

-Which is the most common ion formed by element D on the above periodic table?

Accepted Answer

A) B+ 
B) B2+ 
C) B3+ 
D) B7+ 
A) B+ 
B) B2+ 
C) B3+ 
D) B7+

Question 8

What statement is inconsistent with the crystal field theory of tetrahedral complexes?

Accepted Answer

A) Δt is about 4/9 that of Δ0. 
B) Tetrahedral complexes are nearly all low spin. 
C) The dxy,dxz,and dyz orbitals are higher in energy than the dz² and dx²-y² orbitals. 
D) None of the metal d orbitals point directly at the ligands in a tetrahedral environment. 
A) Δt is about 4/9 that of Δ0. 
B) Tetrahedral complexes are nearly all low spin. 
C) The dxy,dxz,and dyz orbitals are higher in energy than the dz² and dx²-y² orbitals. 
D) None of the metal d orbitals point directly at the ligands in a tetrahedral environment.

Question 9

The first transition series metals are shown below.  
-Based on the variation in Zeff,which oxoanion should be the strongest oxidizing agent?

Accepted Answer

A) VO43- 
B) CrO42- 
C) MnO42- 
D) FeO42- 
A) VO43- 
B) CrO42- 
C) MnO42- 
D) FeO42-

Question 10

What is a representative orbital-filling diagram for the cobalt ion in the low spin complex of [Co(CN)6]3-?

Accepted Answer

A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)  
A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)

Question 11

What is the d orbital-filling diagram for Fe3+ (Z = 26)?

Accepted Answer

A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)  
A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)

Question 12

Which transition metal has the anomalous ground-state electron configuration: [Kr] 4d10?

Accepted Answer

A) Rh 
B) Pd 
C) Ag 
D) Cd 
A) Rh 
B) Pd 
C) Ag 
D) Cd

Question 13

The highest oxidation state attainable by Mn is ________.

Accepted Answer

The answer of The highest oxidation state attainable by Mn...

Question 14

The short hand electron configuration of iron in [FeF6]3- is ________.

Accepted Answer

Question 15

-Which of the above are monodentate ligands?

Accepted Answer

A) (a)and (c) 
B) (b)and (d) 
C) All are monodentate. 
D) None are monodentate. 
A) (a)and (c) 
B) (b)and (d) 
C) All are monodentate. 
D) None are monodentate.

Question 16

-Which is the crystal field energy level diagram for an octahedral ML6 complex?

Accepted Answer

A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)  
A) (
A)  
B) (
B)  
C) (
C)  
D) (
D)

Question 17

What oxidation state(s)is(are)exhibited by all first row transition elements except scandium?

Accepted Answer

A) +2 
B) +3 
C) +2 and +3 
D) +2,+3 and +4 
A) +2 
B) +3 
C) +2 and +3 
D) +2,+3 and +4

Question 18

How many d electrons are there on the Fe metal atom in Na3[Fe(CN)6]?

Accepted Answer

A) 1 
B) 3 
C) 5 
D) 6 
A) 1 
B) 3 
C) 5 
D) 6

Question 19

Which of the following elements has the highest density?

Accepted Answer

A) Cr 
B) Ni 
C) Os 
D) Ta 
A) Cr 
B) Ni 
C) Os 
D) Ta

Question 20

What is the coordination number of the Fe atom in K3[Fe(C2O4)3]?

Accepted Answer

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

Exam 20: Transition Elements and Coordination Chemistry

The first transition series metals are shown below. -Which has the lowest melting point?

[Co(NH3)5NCS]2+ and [Co(NH3)5SCN]2+ are examples of ________ isomers.

Which of the following complex ions is colorless?

The first transition series metals are shown below. -Based on the variation in Zeff,which M2+ ion should be the weakest reducing agent?

Which metal ion is most likely to form a square planar complex ion with CN-?

Though we would expect an increase in atomic radii going down a group from the second to the third transition series of elements,the actual radii are nearly identical.The term commonly used to describe this phenomenon is the ________.

-Which is the most common ion formed by element D on the above periodic table?

What statement is inconsistent with the crystal field theory of tetrahedral complexes?

The first transition series metals are shown below. -Based on the variation in Zeff,which oxoanion should be the strongest oxidizing agent?

What is a representative orbital-filling diagram for the cobalt ion in the low spin complex of [Co(CN)6]3-?

What is the d orbital-filling diagram for Fe3+ (Z = 26)?

Which transition metal has the anomalous ground-state electron configuration: [Kr] 4d10?

The highest oxidation state attainable by Mn is ________.

The short hand electron configuration of iron in [FeF6]3- is ________.

-Which of the above are monodentate ligands?

-Which is the crystal field energy level diagram for an octahedral ML6 complex?

What oxidation state(s)is(are)exhibited by all first row transition elements except scandium?

How many d electrons are there on the Fe metal atom in Na3[Fe(CN)6]?

Which of the following elements has the highest density?

What is the coordination number of the Fe atom in K3[Fe(C2O4)3]?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

[Co(NH₃)₅NCS]²⁺ and [Co(NH₃)₅SCN]²⁺ are examples of ________ isomers.

The first transition series metals are shown below. -Based on the variation in Z_eff,which M²⁺ ion should be the weakest reducing agent?

Which metal ion is most likely to form a square planar complex ion with CN^-?

The first transition series metals are shown below. -Based on the variation in Z_eff,which oxoanion should be the strongest oxidizing agent?

What is a representative orbital-filling diagram for the cobalt ion in the low spin complex of [Co(CN)₆]^3-?

What is the d orbital-filling diagram for Fe³⁺ (Z = 26)?

Which transition metal has the anomalous ground-state electron configuration: [Kr] 4d^10?

The short hand electron configuration of iron in [FeF₆]^3- is ________.

-Which is the crystal field energy level diagram for an octahedral ML₆ complex?

How many d electrons are there on the Fe metal atom in Na₃[Fe(CN)₆]?

What is the coordination number of the Fe atom in K₃[Fe(C₂O₄)₃]?