Question 1

What form of hemoglobin is purplish-red?

Accepted Answer

A) myoglobin 
B) deoxyhemoglobin 
C) heme 
D) oxyhemoglobin 
E) none of the above 
A) myoglobin 
B) deoxyhemoglobin 
C) heme 
D) oxyhemoglobin 
E) none of the above

Question 2

How many d electrons are associated with the metal ion in [Cr(NH3)3+?

Accepted Answer

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

Question 3

How many ligands are there in the coordination sphere of [Co(en)2Cl2]+?

Accepted Answer

A) 3 
B) 6 
C) 4 
D) 1 
E) 0 
A) 3 
B) 6 
C) 4 
D) 1 
E) 0

Question 4

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

Accepted Answer

A) 0 
B) +2 
C) +3 
D) +4 
E) +6 
A) 0 
B) +2 
C) +3 
D) +4 
E) +6

Question 5

In photosynthesis, ________ moles of photons are required to form one mole of ________.

Accepted Answer

The answer of In photosynthesis, ________ moles of photons are...

Question 6

Which of the following is a polydentate ligand?

Accepted Answer

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

Question 7

What is the oxidation number of Ni in [Ni(CN)5]3-?

Accepted Answer

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

Question 8

Name the compound: K2[Cr(H2O)4(CO3)2].

Accepted Answer

potassium

Question 9

The number of "free" chloride ions in an ionic coordination compound can be determined by treating the compound with ________.

Accepted Answer

The answer of The number of "free" chloride ions in...

Question 10

Which one of the following ions cannot form both a high spin and a low spin octahedral complex ion?

Accepted Answer

A) Fe3+ 
B) Co2+ 
C) Cr3+ 
D) Mn3+ 
E) Cr2+ 
A) Fe3+ 
B) Co2+ 
C) Cr3+ 
D) Mn3+ 
E) Cr2+

Question 11

What two oxidation states are more frequently observed in the first transition series than in the third?

Accepted Answer

A) +3 and +7 
B) +2 and +3 
C) +2 and +7 
D) +5 and +6 
E) +3 and +5 
A) +3 and +7 
B) +2 and +3 
C) +2 and +7 
D) +5 and +6 
E) +3 and +5

Question 12

Six-coordinate complexes generally have ________ geometry.

Accepted Answer

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

Question 13

The "dentation" of a ligand is defined by ________.

Accepted Answer

A) how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B) how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C) the total number of lone pairs of electrons it possesses 
D) how many metal ions it can sequester from solution 
E) none of the above 
A) how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B) how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C) the total number of lone pairs of electrons it possesses 
D) how many metal ions it can sequester from solution 
E) none of the above

Question 14

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

Accepted Answer

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

Question 15

Non superimposable isomers are ________ isomers.

Accepted Answer

optical, c

Question 16

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl- 2O 3 - large splitting

Accepted Answer

A) [CuCl4]2- 
B) [Cu(H2O)4]2+ 
C) [Cu(NH3)4]2+ 
D) [Cu(CN)4]2- 
E) not enough information given to determine 
A) [CuCl4]2- 
B) [Cu(H2O)4]2+ 
C) [Cu(NH3)4]2+ 
D) [Cu(CN)4]2- 
E) not enough information given to determine

Question 17

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

Accepted Answer

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

Question 18

Linkage isomerism can only occur ________.

Accepted Answer

A) in cis-isomers of octahedral complexes 
B) with cobalt complexes 
C) with coordination number 6 
D) with tetrahedral complexes 
E) with ligands that have more than one possible donor atom 
A) in cis-isomers of octahedral complexes 
B) with cobalt complexes 
C) with coordination number 6 
D) with tetrahedral complexes 
E) with ligands that have more than one possible donor atom

Question 19

The correct name for [Cu(NH3)4(H2O)2]2+ is ________.

Accepted Answer

A) diwaterquatraamminecopper (II) 
B) tetraamminediaquacopper (II) 
C) diaquatetraammoniumcopper (II) 
D) tetraamminecopper (II)dihydrate 
E) copper (II)tetraamminediaqueous 
A) diwaterquatraamminecopper (II) 
B) tetraamminediaquacopper (II) 
C) diaquatetraammoniumcopper (II) 
D) tetraamminecopper (II)dihydrate 
E) copper (II)tetraamminediaqueous

Question 20

What is the metal ion in the porphyrin of heme?

Accepted Answer

A) iron 
B) calcium 
C) molybdenum 
D) magnesium 
E) chlorophyll 
A) iron 
B) calcium 
C) molybdenum 
D) magnesium 
E) chlorophyll

Exam 23: Transition Metals and Coordination Chemistry

What form of hemoglobin is purplish-red?

How many d electrons are associated with the metal ion in [Cr(NH3)3+?

How many ligands are there in the coordination sphere of [Co(en)2Cl2]+?

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

In photosynthesis, ________ moles of photons are required to form one mole of ________.

Which of the following is a polydentate ligand?

What is the oxidation number of Ni in [Ni(CN)5]3-?

Name the compound: K2[Cr(H2O)4(CO3)2].

The number of "free" chloride ions in an ionic coordination compound can be determined by treating the compound with ________.

Which one of the following ions cannot form both a high spin and a low spin octahedral complex ion?

What two oxidation states are more frequently observed in the first transition series than in the third?

Six-coordinate complexes generally have ________ geometry.

The "dentation" of a ligand is defined by ________.

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

Non superimposable isomers are ________ isomers.

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl- < H2O < NH3 < CN- large splitting

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

Linkage isomerism can only occur ________.

The correct name for [Cu(NH3)4(H2O)2]2+ is ________.

What is the metal ion in the porphyrin of heme?

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

How many d electrons are associated with the metal ion in [Cr(NH₃)₃⁺?

How many ligands are there in the coordination sphere of [Co(en)₂Cl₂]⁺?

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

In photosynthesis, moles of photons are required to form one mole of .

What is the oxidation number of Ni in [Ni(CN)₅]³^-?

Name the compound: K₂[Cr(H₂O)₄(CO₃)₂].

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl^- < H₂O < NH₃ < CN^- large splitting

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

The correct name for [Cu(NH₃)₄(H₂O)₂]²⁺ is ________.