Question 1

What is the maximum oxidation state for niobium,Nb?

Accepted Answer

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

Question 2

Which of the following statements concerning crystal field theory is incorrect?

Accepted Answer

A) In an isolated metal ion the d-orbitals have identical energies. 
B) In low spin octahedral complexes the electrons are concentrated in the dxy,dxz,and dyz orbitals. 
C) High spin complexes have the minimum of unpaired electrons. 
D) Strong bonding ligands favor a larger crystal field splitting (Δ)than weak bonding ligands. 
E) Low spin complexes are favored when the electron pairing energy (P)is less than the crystal field splitting (Δ). 
A) In an isolated metal ion the d-orbitals have identical energies. 
B) In low spin octahedral complexes the electrons are concentrated in the dxy,dxz,and dyz orbitals. 
C) High spin complexes have the minimum of unpaired electrons. 
D) Strong bonding ligands favor a larger crystal field splitting (Δ)than weak bonding ligands. 
E) Low spin complexes are favored when the electron pairing energy (P)is less than the crystal field splitting (Δ).

Question 3

What is the coordination number of cobalt in [Co(en)2Cl2]Cl?
​
En =

Accepted Answer

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

Question 4

Which complex is capable of forming geometric isomers?

Accepted Answer

A) K3[FeCl6] 
B) [Co(NH3)5Br]Br2 
C) [Co(NH3)6]Br3 
D) [Pd(NH3)2Br2] 
E) [Pt(NH3)4]Br2 
A) K3[FeCl6] 
B) [Co(NH3)5Br]Br2 
C) [Co(NH3)6]Br3 
D) [Pd(NH3)2Br2] 
E) [Pt(NH3)4]Br2

Question 5

In which compound is cobalt in the highest oxidation state?

Accepted Answer

A) Co2(CO)8 
B) [Co(NH3)6]Cl2 
C) [Co(NH3)4Cl2]Cl 
D) Na2[CoCl4] 
E) K4[CoF6] 
A) Co2(CO)8 
B) [Co(NH3)6]Cl2 
C) [Co(NH3)4Cl2]Cl 
D) Na2[CoCl4] 
E) K4[CoF6]

Question 6

In which of the following complexes does the transition metal have a d8 configuration?

Accepted Answer

A) Cu(H2O)62+ 
B) Fe(CN)63- 
C) Ni(CO)4 
D) PtCl42- 
E) Zn(NH3)42+ 
A) Cu(H2O)62+ 
B) Fe(CN)63- 
C) Ni(CO)4 
D) PtCl42- 
E) Zn(NH3)42+

Question 7

What bond hybridization is associated with octahedral complexes?

Accepted Answer

A) d2sp3 
B) sp3 
C) sp 
D) dsp3 
E) dsp2 
A) d2sp3 
B) sp3 
C) sp 
D) dsp3 
E) dsp2

Question 8

Which of the following salts would not be expected to be colored in aqueous solution?

Accepted Answer

A) NiCl2 
B) CuCl2 
C) CrCl2 
D) TiCl3 
E) CdCl2 
A) NiCl2 
B) CuCl2 
C) CrCl2 
D) TiCl3 
E) CdCl2

Question 9

Which of the following salts would not be expected to be colored in aqueous solution?

Accepted Answer

A) CoCl2 
B) FeCl2 
C) CuCl2 
D) CuCl 
E) CrCl3 
A) CoCl2 
B) FeCl2 
C) CuCl2 
D) CuCl 
E) CrCl3

Question 10

What is the formula for the pentaamminehydroxochromium(II)ion?

Accepted Answer

A) [Cr(NH3)5(OH)5]2+ 
B) [Cr(NH3)5(OH)5]3- 
C) [Cr(NH3)5(OH)]2+ 
D) [Cr(NH3)5(OH)]+ 
E) [Cr(NH3)(OH)5]3- 
A) [Cr(NH3)5(OH)5]2+ 
B) [Cr(NH3)5(OH)5]3- 
C) [Cr(NH3)5(OH)]2+ 
D) [Cr(NH3)5(OH)]+ 
E) [Cr(NH3)(OH)5]3-

Question 11

A property that many representative nonmetals and many transition elements share is that they both have

Accepted Answer

A) color in many compounds. 
B) many paramagnetic compounds. 
C) high electronegativities. 
D) many compounds that observe the octet rule. 
E) many oxidation states. 
A) color in many compounds. 
B) many paramagnetic compounds. 
C) high electronegativities. 
D) many compounds that observe the octet rule. 
E) many oxidation states.

Question 12

The complex ion NiCl42- is tetrahedral.The number of unpaired electrons in the complex is

Accepted Answer

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

Question 13

Ag+ forms many complexes with a coordination number of 2.Some of these are [Ag(NH3)2]+,[Ag(CN)2]-,and [Ag(S2O3)2]3-.Which of the following statements is true?

Accepted Answer

A) The hybridization of Ag+ is sp2. 
B) In these complexes,Ag+ is a Lewis base. 
C) In these complexes,the ligands are monodentate. 
D) The hybridization of Ag+ is dsp. 
E) The Ag+ complexes are good reducing agents. 
A) The hybridization of Ag+ is sp2. 
B) In these complexes,Ag+ is a Lewis base. 
C) In these complexes,the ligands are monodentate. 
D) The hybridization of Ag+ is dsp. 
E) The Ag+ complexes are good reducing agents.

Question 14

Which of the following first-row transition elements is not able to have a +3 oxidation state?

Accepted Answer

A) Sc 
B) Cr 
C) V 
D) Zn 
E) Fe 
A) Sc 
B) Cr 
C) V 
D) Zn 
E) Fe

Question 15

According to valence bond theory,what hybrid orbitals are occupied by the ligands in the complex [Mn(H2O)6]2+?

Accepted Answer

A) dsp3 
B) sp3 
C) d2sp3 
D) sp2 
E) dsp2 
A) dsp3 
B) sp3 
C) d2sp3 
D) sp2 
E) dsp2

What is the maximum oxidation state for niobium,Nb?

Which of the following statements concerning crystal field theory is incorrect?

What is the coordination number of cobalt in [Co(en)₂Cl₂]Cl? En =

Which complex is capable of forming geometric isomers?

In which compound is cobalt in the highest oxidation state?

In which of the following complexes does the transition metal have a d⁸ configuration?

What bond hybridization is associated with octahedral complexes?

Which of the following salts would not be expected to be colored in aqueous solution?

Which of the following salts would not be expected to be colored in aqueous solution?

What is the formula for the pentaamminehydroxochromium(II)ion?

A property that many representative nonmetals and many transition elements share is that they both have

The complex ion NiCl₄^2- is tetrahedral.The number of unpaired electrons in the complex is

Ag⁺ forms many complexes with a coordination number of 2.Some of these are [Ag(NH₃)₂]⁺,[Ag(CN)₂]^-,and [Ag(S₂O₃)₂]^3-.Which of the following statements is true?

Which of the following first-row transition elements is not able to have a +3 oxidation state?

According to valence bond theory,what hybrid orbitals are occupied by the ligands in the complex [Mn(H₂O)₆]²⁺?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

Organic Chemistry

Polymer Materials: Synthetic and Biological

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Exam 22: The Transition Elements and Coordination Compounds

What is the maximum oxidation state for niobium,Nb?

Which of the following statements concerning crystal field theory is incorrect?

What is the coordination number of cobalt in [Co(en)2Cl2]Cl? ​ En =

Which complex is capable of forming geometric isomers?

In which compound is cobalt in the highest oxidation state?

In which of the following complexes does the transition metal have a d8 configuration?

What bond hybridization is associated with octahedral complexes?

Which of the following salts would not be expected to be colored in aqueous solution?

Which of the following salts would not be expected to be colored in aqueous solution?

What is the formula for the pentaamminehydroxochromium(II)ion?

A property that many representative nonmetals and many transition elements share is that they both have

The complex ion NiCl42- is tetrahedral.The number of unpaired electrons in the complex is

Ag+ forms many complexes with a coordination number of 2.Some of these are [Ag(NH3)2]+,[Ag(CN)2]-,and [Ag(S2O3)2]3-.Which of the following statements is true?

Which of the following first-row transition elements is not able to have a +3 oxidation state?

According to valence bond theory,what hybrid orbitals are occupied by the ligands in the complex [Mn(H2O)6]2+?

Chemistry and Measurement

Atoms, molecules, and Ions

Calculations With Chemical Formulas and Equations

Chemical Reactions

The Gaseous State

Thermochemistry

Quantum Theory of the Atom

Electron Configurations and Periodicity

Ionic and Covalent Bonding

Molecular Geometry and Chemical Bonding Theory

States of Matter; Liquids and Solids

Solutions

Rates of Reaction

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria

Solubility and Complex-Ion Equilibria

Thermodynamics and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry of the Main-Group Metals

Organic Chemistry

Polymer Materials: Synthetic and Biological

Filters

What is the coordination number of cobalt in [Co(en)₂Cl₂]Cl? En =

In which of the following complexes does the transition metal have a d⁸ configuration?

The complex ion NiCl₄^2- is tetrahedral.The number of unpaired electrons in the complex is

Ag⁺ forms many complexes with a coordination number of 2.Some of these are [Ag(NH₃)₂]⁺,[Ag(CN)₂]^-,and [Ag(S₂O₃)₂]^3-.Which of the following statements is true?

According to valence bond theory,what hybrid orbitals are occupied by the ligands in the complex [Mn(H₂O)₆]²⁺?