Question 1

Which of the following transition elements (Sc,Ti,V,Mn,and Cu)have positive oxidation potentials?

Accepted Answer

A) Sc 
B) Cu 
C) Sc,Ti,and V 
D) Sc,Ti,V,and Mn 
A) Sc 
B) Cu 
C) Sc,Ti,and V 
D) Sc,Ti,V,and Mn

Question 2

The number of unpaired electrons in square planar PtCl42- is ________.

Accepted Answer

Question 3

What is the strongest oxidizing agent of the following set: MnCl2,Mn(OH)3,MnO2,KMnO4?

Accepted Answer

A) MnCl2 
B) Mn(OH)3 
C) MnO2 
D) KMnO4 
A) MnCl2 
B) Mn(OH)3 
C) MnO2 
D) KMnO4

Question 4

Which transition element is difficult to oxidize with hydronium ion?

Accepted Answer

A) Cr 
B) Cu 
C) Mn 
D) Ti 
A) Cr 
B) Cu 
C) Mn 
D) Ti

Question 5

The second transition series metals are shown below.  
-Which has the greatest density?

Accepted Answer

A) Y 
B) Mo 
C) Rh 
D) Cd 
A) Y 
B) Mo 
C) Rh 
D) Cd

Question 6

Consider the following ethylenediamine complexes.The black sphere represents Co,gray connected spheres represent ethylenediamine,NHS1U1B12S1U1B0CHS1U1B12S1U1B0CHS1U1B12S1U1B0NHS1U1B12S1U1B0,and unshaded spheres represent Br.  
-Which complexes are enantiomers of one another?

Accepted Answer

A) complexes (1)and (3) 
B) complexes (1)and (4) 
C) complexes (3)and (4) 
D) complexes (1),(3),and (4) 
A) complexes (1)and (3) 
B) complexes (1)and (4) 
C) complexes (3)and (4) 
D) complexes (1),(3),and (4)

Question 7

What statement is inconsistent with the chemistry of iron?

Accepted Answer

A) Iron is the fourth most abundant element in the earth's crust. 
B) Iron is obtained from the reduction of hematite (Fe2O3)and magnetite (Fe3O4)by carbon in a blast furnace. 
C) Iron is a relatively hard metal and it is relatively unreactive with haloacids. 
D) The majority of iron in a healthy human is present in the oxygen-carrying protein hemoglobin. 
A) Iron is the fourth most abundant element in the earth's crust. 
B) Iron is obtained from the reduction of hematite (Fe2O3)and magnetite (Fe3O4)by carbon in a blast furnace. 
C) Iron is a relatively hard metal and it is relatively unreactive with haloacids. 
D) The majority of iron in a healthy human is present in the oxygen-carrying protein hemoglobin.

Question 8

Which of the following species has the ground-state electron configuration [Ar]3d4?

Accepted Answer

A) Ti 
B) V2+ 
C) Cr2+ 
D) Fe2+ 
A) Ti 
B) V2+ 
C) Cr2+ 
D) Fe2+

Question 9

What is the name of the complex ion [AuBrCl(CN)2]-?

Accepted Answer

A) bromochlorodicyanogold(I)ion 
B) bromochlorodicyanoaurate(III)ion 
C) bromochlorodicyanoargentate(III)ion 
D) bromochlorodicyanoaurate(IV)ion 
A) bromochlorodicyanogold(I)ion 
B) bromochlorodicyanoaurate(III)ion 
C) bromochlorodicyanoargentate(III)ion 
D) bromochlorodicyanoaurate(IV)ion

Question 10

-Which of the Co(III)complexes above are optically active?

Accepted Answer

A) (
A) and (
B)  
B) (
C) and (
D)  
C) (
A) ,(
B) ,and (
C)  
D) (
A) ,(
B) ,(
C) ,and (
D)  
A) (
A) and (
B)  
B) (
C) and (
D)  
C) (
A) ,(
B) ,and (
C)  
D) (
A) ,(
B) ,(
C) ,and (
D)

Question 11

Copper has the anomalous short-hand electron configuration ________.

Accepted Answer

The answer of Copper has the anomalous short-hand electron configuration...

Question 12

The first transition series metals are shown below.  
-Which has the largest atomic radius?

Accepted Answer

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

Question 13

What statement is most inconsistent about the chemistry of iron?

Accepted Answer

A) Iron(III)hydroxide is very soluble and reacts readily with hydroxide to form Fe(OH)4-. 
B) Iron reacts with hydrochloric acid in the absence of air to yield iron(II)ion and hydrogen gas. 
C) Iron reacts with nitric acid to yield iron(III)ion and nitric oxide. 
D) The most common oxidation states of iron are +2 (ferrous)and +3 (ferric). 
A) Iron(III)hydroxide is very soluble and reacts readily with hydroxide to form Fe(OH)4-. 
B) Iron reacts with hydrochloric acid in the absence of air to yield iron(II)ion and hydrogen gas. 
C) Iron reacts with nitric acid to yield iron(III)ion and nitric oxide. 
D) The most common oxidation states of iron are +2 (ferrous)and +3 (ferric).

Question 14

Vanadium in the +5 oxidation is most often found as compounds of ________.

Accepted Answer

A) bromides 
B) chlorides 
C) fluorides 
D) iodides 
A) bromides 
B) chlorides 
C) fluorides 
D) iodides

Question 15

-Using the above schematic of an artist's color wheel,determine the color absorbed if a substance is seen as being green in color.

Accepted Answer

A) blue 
B) orange 
C) red 
D) violet 
A) blue 
B) orange 
C) red 
D) violet

Question 16

Which of the following can function as a bidentate ligand?

Accepted Answer

A) CO 
B) OH- 
C) NH3 
D) C2O42- 
A) CO 
B) OH- 
C) NH3 
D) C2O42-

Question 17

Element M has the valence electron configuration 3d6 4s2.What is the valence electron configuration of The M3+ ion?

Accepted Answer

A) 3d5 
B) 3d3 4s2 
C) 3d4 4s1 
D) 3d9 4s2 
A) 3d5 
B) 3d3 4s2 
C) 3d4 4s1 
D) 3d9 4s2

Question 18

-Which is the crystal field energy level diagram for a tetrahedral ML4?

Accepted Answer

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

Question 19

What is the characteristic outer electron configuration for transition elements?

Accepted Answer

A) (n - 1)d10-xns2 
B) (n)d10-xns2 
C) (n + 1)d10-xns1 
D) (n - 1)d10-x(n + 1)s2 
A) (n - 1)d10-xns2 
B) (n)d10-xns2 
C) (n + 1)d10-xns1 
D) (n - 1)d10-x(n + 1)s2

Question 20

What is the name of the complex [Ni(en)3]3[Cr(CN)6]2?

Accepted Answer

A) ethylenediaminenickel(III)hexacyanochromate(II) 
B) tris(ethylenediamine)nickel(III)hexacyanochromate(II) 
C) tris(ethylenediamine)nickel(II)hexacyanochromate(III) 
D) bis(ethylenediamine)nickel(II)hexacyanochromate(III) 
A) ethylenediaminenickel(III)hexacyanochromate(II) 
B) tris(ethylenediamine)nickel(III)hexacyanochromate(II) 
C) tris(ethylenediamine)nickel(II)hexacyanochromate(III) 
D) bis(ethylenediamine)nickel(II)hexacyanochromate(III)

Exam 20: Transition Elements and Coordination Chemistry

Which of the following transition elements (Sc,Ti,V,Mn,and Cu)have positive oxidation potentials?

The number of unpaired electrons in square planar PtCl42- is ________.

What is the strongest oxidizing agent of the following set: MnCl2,Mn(OH)3,MnO2,KMnO4?

Which transition element is difficult to oxidize with hydronium ion?

The second transition series metals are shown below. -Which has the greatest density?

Consider the following ethylenediamine complexes.The black sphere represents Co,gray connected spheres represent ethylenediamine,NH2CH2CH2NH2,and unshaded spheres represent Br. -Which complexes are enantiomers of one another?

What statement is inconsistent with the chemistry of iron?

Which of the following species has the ground-state electron configuration [Ar]3d4?

What is the name of the complex ion [AuBrCl(CN)2]-?

-Which of the Co(III)complexes above are optically active?

Copper has the anomalous short-hand electron configuration ________.

The first transition series metals are shown below. -Which has the largest atomic radius?

What statement is most inconsistent about the chemistry of iron?

Vanadium in the +5 oxidation is most often found as compounds of ________.

-Using the above schematic of an artist's color wheel,determine the color absorbed if a substance is seen as being green in color.

Which of the following can function as a bidentate ligand?

Element M has the valence electron configuration 3d6 4s2.What is the valence electron configuration of The M3+ ion?

-Which is the crystal field energy level diagram for a tetrahedral ML4?

What is the characteristic outer electron configuration for transition elements?

What is the name of the complex [Ni(en)3]3[Cr(CN)6]2?

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

The number of unpaired electrons in square planar PtCl₄^2- is ________.

What is the strongest oxidizing agent of the following set: MnCl₂,Mn(OH)₃,MnO₂,KMnO₄?

Consider the following ethylenediamine complexes.The black sphere represents Co,gray connected spheres represent ethylenediamine,NH₂CH₂CH₂NH₂,and unshaded spheres represent Br. -Which complexes are enantiomers of one another?

Which of the following species has the ground-state electron configuration [Ar]3d⁴?

What is the name of the complex ion [AuBrCl(CN)₂]^-?

Element M has the valence electron configuration 3d⁶ 4s².What is the valence electron configuration of The M³⁺ ion?

-Which is the crystal field energy level diagram for a tetrahedral ML₄?

What is the name of the complex [Ni(en)₃]₃[Cr(CN)₆]₂?