Question 1

How many d electrons are in the cobalt ion of K3[Co(CN)6] ?

Accepted Answer

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

Question 2

Metals with _ electron configurations characteristically form diamagnetic, square planar complexes.

Accepted Answer

A)  d8  
B)  d0  
C)  d6  
D)  d10  
E)  d9 
A)  d8  
B)  d0  
C)  d6  
D)  d10  
E)  d9

Question 3

Based on the crystal- field strengths F- 2CN 3 2- - , which Co(III) complex is most likely high- spin?

Accepted Answer

A)  [Co(CN)6]3- 
B)  [Co(NO2)6]3- 
C)  [Co(NH3)6]3+ 
D)  [CoF6]3- 
E)  [Co(CH3CN)6]3+ 
A)  [Co(CN)6]3- 
B)  [Co(NO2)6]3- 
C)  [Co(NH3)6]3+ 
D)  [CoF6]3- 
E)  [Co(CH3CN)6]3+

Question 4

Which of the following can form both high- and low- spin octahedral complexes?

Accepted Answer

A)  Zn2+ 
B)  Cu+ 
C)  Cr3+ 
D)  Cr2+ 
E)  All of the above can form either high- or low- spin complexes. 
A)  Zn2+ 
B)  Cu+ 
C)  Cr3+ 
D)  Cr2+ 
E)  All of the above can form either high- or low- spin complexes.

Question 5

If chloride is a ligand to a transition metal it will not be precipitated by silver nitrate.

Accepted Answer

A) True 
 B)False

Question 6

What are the respective central- metal oxidation state, coordination number, and overall charge on the complex ion in

Accepted Answer

A)  +1; 6; - 2 
B)  +2; 6; - 2 
C)  +2; 4; - 1 
D)  +3; 6; - 1 
E)  +3; 6; +1 
A)  +1; 6; - 2 
B)  +2; 6; - 2 
C)  +2; 4; - 1 
D)  +3; 6; - 1 
E)  +3; 6; +1

Question 7

Which one of the following is a strong- field ligand?

Accepted Answer

A)  H2O 
B)  NH3  
C)  CN-  
D)  Cl-  
E)  F- 
A)  H2O 
B)  NH3  
C)  CN-  
D)  Cl-  
E)  F-

Question 8

What metal is complexed in chlorophyll?

Accepted Answer

A)  manganese 
B)  vanadium 
C)  magnesium 
D)  chromium 
E)  iron 
A)  manganese 
B)  vanadium 
C)  magnesium 
D)  chromium 
E)  iron

Question 9

Consider a complex in which manganese (III) is bonded to six identical ligands. Which one of the following ligands will result in the smallest value of O?

Accepted Answer

A)  Cl-  
B)  H2O 
C)  F-  
D)  NH3  
E)  CN- 
A)  Cl-  
B)  H2O 
C)  F-  
D)  NH3  
E)  CN-

Question 10

The cis geometric isomer of what compound is a powerful anti cancer agent ?

Accepted Answer

The answer of The cis geometric isomer of what compound...

Question 11

The correct name for [Ni(NH3)6](NO3)3 is _ .

Accepted Answer

A)  dinitrohexaamminenickelate (III) 
B)  hexaamminenickel (II) nitrate 
C)  dinitrohexaamminenickel (II) 
D)  hexaamminenickel (III) trinitrate 
E)  hexaamminenickel (III) nitrate 
A)  dinitrohexaamminenickelate (III) 
B)  hexaamminenickel (II) nitrate 
C)  dinitrohexaamminenickel (II) 
D)  hexaamminenickel (III) trinitrate 
E)  hexaamminenickel (III) nitrate

Question 12

Six- coordinate complexes generally have geometry.

Accepted Answer

The answer of Six- coordinate complexes generally have geometry....

Question 13

Transition metal complexes are colored because of the energy gap between the d orbitals.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is a polydentate ligand?

Accepted Answer

A)  oxalate ion 
B)  water 
C)  hydroxide ion 
D)  ammonia 
E)  chloride ion 
A)  oxalate ion 
B)  water 
C)  hydroxide ion 
D)  ammonia 
E)  chloride ion

Question 15

In the following reaction, Ni2+ is acting as a(n) .

Accepted Answer

A)  solvent 
B)  Lewis acid 
C)  precipitating agent 
D)  ligand 
E)  oxidizing agent 
A)  solvent 
B)  Lewis acid 
C)  precipitating agent 
D)  ligand 
E)  oxidizing agent

Question 16

The coordination number of platinum in complexes is always _ .

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  3 
E)  6 
A)  2 
B)  4 
C)  5 
D)  3 
E)  6

Question 17

Which one of the following complexes can exhibit geometrical isomerism?

Accepted Answer

A)  [Pt(NH3)2Cl2] (square planar) 
B)  [Zn(NH3)2Cl2] (tetrahedral) 
C)  [Cu(NH3)5Cl]2+ (octahedral) 
D)  [Cu(NH3)4]2+ (square planar) 
E)  All of the above can exhibit geometrical isomerism. 
A)  [Pt(NH3)2Cl2] (square planar) 
B)  [Zn(NH3)2Cl2] (tetrahedral) 
C)  [Cu(NH3)5Cl]2+ (octahedral) 
D)  [Cu(NH3)4]2+ (square planar) 
E)  All of the above can exhibit geometrical isomerism.

Question 18

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

Accepted Answer

Question 19

Name the compound, [Os(en)3]2[NiCl2Br2]3.

Accepted Answer

tris(ethylenediamine

Question 20

A ligand with a single donor atom is called .

Accepted Answer

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

Exam 24: Chemistry of Coordination Compounds

How many d electrons are in the cobalt ion of K3[Co(CN)6] ?

Metals with _ electron configurations characteristically form diamagnetic, square planar complexes.

Based on the crystal- field strengths F- < CH2CN < NH3 < NO2- < CN- , which Co(III) complex is most likely high- spin?

Which of the following can form both high- and low- spin octahedral complexes?

If chloride is a ligand to a transition metal it will not be precipitated by silver nitrate.

What are the respective central- metal oxidation state, coordination number, and overall charge on the complex ion in

Which one of the following is a strong- field ligand?

What metal is complexed in chlorophyll?

Consider a complex in which manganese (III) is bonded to six identical ligands. Which one of the following ligands will result in the smallest value of O?

The cis geometric isomer of what compound is a powerful anti cancer agent ?

The correct name for [Ni(NH3)6](NO3)3 is _ .

Six- coordinate complexes generally have geometry.

Transition metal complexes are colored because of the energy gap between the d orbitals.

Which of the following is a polydentate ligand?

In the following reaction, Ni2+ is acting as a(n) .

The coordination number of platinum in complexes is always _ .

Which one of the following complexes can exhibit geometrical isomerism?

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

Name the compound, [Os(en)3]2[NiCl2Br2]3.

A ligand with a single donor atom is called .

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

The Chemistry of Life: Organic and Biological Chemistry

Filters

How many d electrons are in the cobalt ion of K₃[Co(CN)₆] ?

Based on the crystal- field strengths F^-< CH₂CN < NH₃< NO₂^-< CN^-, which Co(III) complex is most likely high- spin?

The correct name for [Ni(NH₃)₆](NO₃)₃is _ .

In the following reaction, Ni²⁺is acting as a(n) .

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

Name the compound, [Os(en)₃]₂[NiCl₂Br₂]₃.