Question 1

How does an elevated body temperature deprive some bacteria in the body of iron?

Accepted Answer

In some bacteria, si

Question 2

What is the oxidation number of Ni in [Ni(CN)4]2-?

Accepted Answer

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

Question 3

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+?

Accepted Answer

A) 0 
B) +2 
C) +3 
D) -2 
E) -3 
A) 0 
B) +2 
C) +3 
D) -2 
E) -3

Question 4

What are the respective central-metal oxidation state, coordination number, and overall charge on the complex ion in Na2[Cr(NH3)2 (NCS)4]?

Accepted Answer

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

Question 5

Which of the following is a polydentate ligand?

Accepted Answer

A) ethylenediamine 
B) water 
C) cyanide ion 
D) nitrite ion 
E) ammonia 
A) ethylenediamine 
B) water 
C) cyanide ion 
D) nitrite ion 
E) ammonia

Question 6

Formation of a complex species of Mn+ metal ion with ligands often ________.

Accepted Answer

A) "masks" original chemical properties of both the Mn+ ion and the ligands 
B) reduces availability of the free Mn+ ions in solution 
C) may cause changes in the ease with which Mn+ is reduced or oxidized 
D) alters original physical properties of Mn+ 
E) all of the above 
A) "masks" original chemical properties of both the Mn+ ion and the ligands 
B) reduces availability of the free Mn+ ions in solution 
C) may cause changes in the ease with which Mn+ is reduced or oxidized 
D) alters original physical properties of Mn+ 
E) all of the above

Question 7

The correct name for [Al(H2O)2(OH-)4]- is ________.

Accepted Answer

A) diwaterquatrahydroxyaluminum 
B) tetrahydroxydiaquaaluminum (III) 
C) diaquatetrahydroxoaluminate 
D) aluminum (IV)hydroxide dihydrate 
E) aluminumdihydratetetrahydroxide 
A) diwaterquatrahydroxyaluminum 
B) tetrahydroxydiaquaaluminum (III) 
C) diaquatetrahydroxoaluminate 
D) aluminum (IV)hydroxide dihydrate 
E) aluminumdihydratetetrahydroxide

Question 8

The correct name for Na3[CoF6] is ________.

Accepted Answer

A) trisodium hexakisfluorocobalt (III) 
B) trisodium hexakisfluorocobalt (II) 
C) trisodium hexakisfluorocobalt (IV) 
D) sodium hexafluorocobaltate (III) 
E) sodium hexafluorocobaltate (IV) 
A) trisodium hexakisfluorocobalt (III) 
B) trisodium hexakisfluorocobalt (II) 
C) trisodium hexakisfluorocobalt (IV) 
D) sodium hexafluorocobaltate (III) 
E) sodium hexafluorocobaltate (IV)

Question 9

A substance is ________ if its ions or atoms have one or more unpaired electrons.

Accepted Answer

The answer of A substance is ________ if its ions...

Question 10

What is the oxidation number of chromium in Cr[(NH3)4Cl2]Cl?

Accepted Answer

A) -3 
B) +3 
C) +2 
D) -2 
E) 0 
A) -3 
B) +3 
C) +2 
D) -2 
E) 0

Question 11

In the compound, CaNa[Fe(CN)6], what ligands are in the coordination sphere?

Accepted Answer

A) Ca2+ 
B) Na+ 
C) CN- 
D) H2O 
E) none of the above 
A) Ca2+ 
B) Na+ 
C) CN- 
D) H2O 
E) none of the above

Question 12

Triphenylphosphine is often given the abbreviated formula PPh3. The correct name for Rh(PPh3)3Cl is ________.

Accepted Answer

A) chlorotriphenylphosphinerhodium 
B) chlorotriphenylphosphinerhodium (I) 
C) tris(triphenylphosphine)chlororhodium (I) 
D) chlorotris(triphenylphosphine)rhodium (I) 
E) chlorotris(triphenylphosphine)rhodate (I) 
A) chlorotriphenylphosphinerhodium 
B) chlorotriphenylphosphinerhodium (I) 
C) tris(triphenylphosphine)chlororhodium (I) 
D) chlorotris(triphenylphosphine)rhodium (I) 
E) chlorotris(triphenylphosphine)rhodate (I)

Question 13

What is the coordination number of cobalt in [Co(NH3)5Cl](NO3)2?

Accepted Answer

A) 12 
B) 8 
C) 4 
D) 2 
E) 6 
A) 12 
B) 8 
C) 4 
D) 2 
E) 6

Question 14

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

Accepted Answer

Question 15

Which ion shown has empty 4d orbitals?

Accepted Answer

A) Y3+ 
B) Zr2+ 
C) Nb+ 
D) Mo3+ 
E) Zr3+ 
A) Y3+ 
B) Zr2+ 
C) Nb+ 
D) Mo3+ 
E) Zr3+

Question 16

The minimum number of unshared valence electron pairs in the ligands of a coordination compound is ________.

Accepted Answer

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

Question 17

Which ion shown below does not exist?

Accepted Answer

A) Y4+ 
B) Y2+ 
C) Y+ 
D) Zr4+ 
E) Nb3+ 
A) Y4+ 
B) Y2+ 
C) Y+ 
D) Zr4+ 
E) Nb3+

Question 18

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

Accepted Answer

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

Question 19

What colors of light does chlorophyll-a absorb?

Accepted Answer

The answer of What colors of light does chlorophyll-a absorb?...

Question 20

Which mineral contains titanium?

Accepted Answer

A) pyrolusite 
B) chalcopyrite 
C) galena 
D) rutile 
E) sphalerite 
A) pyrolusite 
B) chalcopyrite 
C) galena 
D) rutile 
E) sphalerite

Exam 23: Transition Metals and Coordination Chemistry

How does an elevated body temperature deprive some bacteria in the body of iron?

What is the oxidation number of Ni in [Ni(CN)4]2-?

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+?

What are the respective central-metal oxidation state, coordination number, and overall charge on the complex ion in Na2[Cr(NH3)2 (NCS)4]?

Which of the following is a polydentate ligand?

Formation of a complex species of Mn+ metal ion with ligands often ________.

The correct name for [Al(H2O)2(OH-)4]- is ________.

The correct name for Na3[CoF6] is ________.

A substance is ________ if its ions or atoms have one or more unpaired electrons.

What is the oxidation number of chromium in Cr[(NH3)4Cl2]Cl?

In the compound, CaNa[Fe(CN)6], what ligands are in the coordination sphere?

Triphenylphosphine is often given the abbreviated formula PPh3. The correct name for Rh(PPh3)3Cl is ________.

What is the coordination number of cobalt in [Co(NH3)5Cl](NO3)2?

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

Which ion shown has empty 4d orbitals?

The minimum number of unshared valence electron pairs in the ligands of a coordination compound is ________.

Which ion shown below does not exist?

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

What colors of light does chlorophyll-a absorb?

Which mineral contains titanium?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

The Chemistry of Life: Organic and Biological Chemistry

Filters

What is the oxidation number of Ni in [Ni(CN)₄]^2-?

What is the oxidation state of chromium in [Cr(H₂O)₄Cl₂]⁺?

What are the respective central-metal oxidation state, coordination number, and overall charge on the complex ion in Na₂[Cr(NH₃)₂ (NCS)₄]?

Formation of a complex species of Mⁿ⁺ metal ion with ligands often ________.

The correct name for [Al(H₂O)₂(OH^-)₄]^- is ________.

The correct name for Na₃[CoF₆] is ________.

What is the oxidation number of chromium in Cr[(NH₃)₄Cl₂]Cl?

In the compound, CaNa[Fe(CN)₆], what ligands are in the coordination sphere?

Triphenylphosphine is often given the abbreviated formula PPh₃. The correct name for Rh(PPh₃)₃Cl is ________.

What is the coordination number of cobalt in [Co(NH₃)₅Cl](NO₃)₂?

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