Question 1

Draw the d orbital splitting diagram for octahedral, tetrahedral, and square planar fields and label the orbitals.

Accepted Answer

The answer of Draw the d orbital splitting diagram for...

Question 2

How many stereoisomers are there for the compound [Fe(NH3)4(Cl)2]NO3?

Accepted Answer

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

Question 3

For the coordination compound [Co(NH3)4Cl2]NO3, identify
(1) the coordination number of the metal ion.
(2) the oxidation number of the metal ion.
(3) the charge on the complex ion.
(4) the counter ion.

Accepted Answer

(1) 6
(2) F1F1F1S1F

Question 4

Consider two complexes: (I) [Fe(CN)6]4F1F1F1S1F1F1F10, and (II) [Fe(H2O)6]2F1F1F1S1F1F1F10. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct? Spectrochemical Series

Accepted Answer

A) I is low spin, II is high spin, and II absorbs light at the shorter wavelength. 
B) I is low spin, II is high spin, and I absorbs light at the shorter wavelength. 
C) I is high spin, II is low spin, and I absorbs light at the shorter wavelength. 
D) Both have six d electrons, so both are high spin. 
E) Both have six d electrons, so both are low spin. 
A) I is low spin, II is high spin, and II absorbs light at the shorter wavelength. 
B) I is low spin, II is high spin, and I absorbs light at the shorter wavelength. 
C) I is high spin, II is low spin, and I absorbs light at the shorter wavelength. 
D) Both have six d electrons, so both are high spin. 
E) Both have six d electrons, so both are low spin.

Question 5

Which statement concerning ligands in transition metal complexes is not correct?

Accepted Answer

A) The addition of ammonia to a chloro complex should generate the corresponding ammine complex because ammonia is a stronger Lewis base than chloride. 
B) Ammonia is a stronger ligand than water because ammonia is a stronger Lewis base than water. 
C) All ligands are Lewis bases. 
D) Cyanide is a stronger ligand than water because cyanide is a stronger Lewis base than water. 
E) Cyanide is a stronger ligand than fluoride because it is composed of two atoms. 
A) The addition of ammonia to a chloro complex should generate the corresponding ammine complex because ammonia is a stronger Lewis base than chloride. 
B) Ammonia is a stronger ligand than water because ammonia is a stronger Lewis base than water. 
C) All ligands are Lewis bases. 
D) Cyanide is a stronger ligand than water because cyanide is a stronger Lewis base than water. 
E) Cyanide is a stronger ligand than fluoride because it is composed of two atoms.

Question 6

CoF63F1F1F1S1F1F1F10 absorbs light in the red region of the spectrum, while Co(NH3)63F1F1F1S1F1F1F10 absorbs light in the blue region of the spectrum. This difference means that ________

Accepted Answer

A) the splitting of the d orbitals of the two complexes is nearly identical. 
B) the value of the crystal field splitting is very small for both complexes. 
C) the crystal field splitting is larger for the ammonia complex than for the fluoride complex. 
D) the dz2 and dx2 F1F1F1S1F1F1F10y2 orbitals are higher in energy than the dxy, dxz, and dyz orbitals in CoF63F1F1F1S1F1F1F10 and just the opposite splitting order for Co(NH3)63F1F1F1S1F1F1F10. 
E) the dz2 and dx2 F1F1F1S1F1F1F10 y2 orbitals are lower in energy than the dxy, dxz, and dyz orbitals in CoF63F1F1F1S1F1F1F10 and just the opposite splitting order for Co(NH3)63F1F1F1S1F1F1F10. 
A) the splitting of the d orbitals of the two complexes is nearly identical. 
B) the value of the crystal field splitting is very small for both complexes. 
C) the crystal field splitting is larger for the ammonia complex than for the fluoride complex. 
D) the dz2 and dx2 F1F1F1S1F1F1F10y2 orbitals are higher in energy than the dxy, dxz, and dyz orbitals in CoF63F1F1F1S1F1F1F10 and just the opposite splitting order for Co(NH3)63F1F1F1S1F1F1F10. 
E) the dz2 and dx2 F1F1F1S1F1F1F10 y2 orbitals are lower in energy than the dxy, dxz, and dyz orbitals in CoF63F1F1F1S1F1F1F10 and just the opposite splitting order for Co(NH3)63F1F1F1S1F1F1F10.

Question 7

Which statement A-D concerning the crystal field theory of tetrahedral transition metal complexes is not correct?

Accepted Answer

A) The crystal field splitting (F1F1F1S1F1F1F10o) increases with increasing charge of the metal ion for the same set of ligands. 
B) The dxy, dxz, and dyz orbitals are higher in energy than the dz2 and   orbitals. 
C) The crystal field splitting (F1F1F1S1F1F1F10o) depends on the nature of the ligands and their positions in the spectrochemical series. 
D) The lobes of the dxy, dxz, and dyz orbitals are closer to the ligands at the four corners of the tetrahedron than are the lobes of the dz2 and dx2 F1F1F1S1F1F1F10 y2 orbitals. 
E) Statements A-D all are correct. 
A) The crystal field splitting (F1F1F1S1F1F1F10o) increases with increasing charge of the metal ion for the same set of ligands. 
B) The dxy, dxz, and dyz orbitals are higher in energy than the dz2 and   orbitals. 
C) The crystal field splitting (F1F1F1S1F1F1F10o) depends on the nature of the ligands and their positions in the spectrochemical series. 
D) The lobes of the dxy, dxz, and dyz orbitals are closer to the ligands at the four corners of the tetrahedron than are the lobes of the dz2 and dx2 F1F1F1S1F1F1F10 y2 orbitals. 
E) Statements A-D all are correct.

Question 8

Which d orbital(s) is/are highest in energy in a tetrahedral complex?

Accepted Answer

A) dz2 
B) dxy, dxz, and dyz 
C) dz2 and   
D)    
E) dxy and dxz 
A) dz2 
B) dxy, dxz, and dyz 
C) dz2 and   
D)    
E) dxy and dxz

Question 9

The correct formula for ammonium tetracyanoplatinate(II) is ________

Accepted Answer

A) (NH3)2[Pt(CN)4]. 
B) (NH4)2[Pt(CN)4]. 
C) (NH4)2Pt(CN)4. 
D) (NH4)2[Pt(CN)6]. 
E) NH4[Pt(CN)4]. 
A) (NH3)2[Pt(CN)4]. 
B) (NH4)2[Pt(CN)4]. 
C) (NH4)2Pt(CN)4. 
D) (NH4)2[Pt(CN)6]. 
E) NH4[Pt(CN)4].

Question 10

The correct name for the compound [Fe(NH3)5H2O](NO3)2 is ________

Accepted Answer

A) pentaammineaquairon(II) nitrate. 
B) pentaammineaquairon(III) nitrate. 
C) pentaammineaquaferrate(II) nitrate. 
D) aquapentaammineiron(II) nitrate. 
E) pentaammineaquadinitroiron(III). 
A) pentaammineaquairon(II) nitrate. 
B) pentaammineaquairon(III) nitrate. 
C) pentaammineaquaferrate(II) nitrate. 
D) aquapentaammineiron(II) nitrate. 
E) pentaammineaquadinitroiron(III).

Question 11

The coordination number for copper in the compound K2[CuCl4] is ________

Accepted Answer

A) 2. 
B) 1. 
C) 6. 
D) 5. 
E) 7. 
A) 2. 
B) 1. 
C) 6. 
D) 5. 
E) 7.

Question 12

Chlorophyll a is a pigment in plants that mediates conversion of carbon dioxide to carbohydrates using sunlight. Which metal ion is an important structural component of chlorophyll a?

Accepted Answer

A) NaF1F1F1S1F1F1F10 
B) Mg2F1F1F1S1F1F1F10 
C) Ca2F1F1F1S1F1F1F10 
D) KF1F1F1S1F1F1F10 
E) Co2F1F1F1S1F1F1F10 
A) NaF1F1F1S1F1F1F10 
B) Mg2F1F1F1S1F1F1F10 
C) Ca2F1F1F1S1F1F1F10 
D) KF1F1F1S1F1F1F10 
E) Co2F1F1F1S1F1F1F10

Question 13

Which of the following metal ions can only have one spin state regardless of the ligand in an octahedral complex?

Accepted Answer

A) Cu2F1F1F1S1F1F1F10 
B) Co3F1F1F1S1F1F1F10 
C) Co2F1F1F1S1F1F1F10 
D) Mn2F1F1F1S1F1F1F10 
E) Mn3F1F1F1S1F1F1F10 
A) Cu2F1F1F1S1F1F1F10 
B) Co3F1F1F1S1F1F1F10 
C) Co2F1F1F1S1F1F1F10 
D) Mn2F1F1F1S1F1F1F10 
E) Mn3F1F1F1S1F1F1F10

Question 14

Which d orbital is indicated by the arrow in the crystal field splitting diagram for a square planar field?

Accepted Answer

A) dz2 
B) dyz 
C) dxz 
D) dx2 F1F1F1S1F1F1F10 y2 
E) dxy 
A) dz2 
B) dyz 
C) dxz 
D) dx2 F1F1F1S1F1F1F10 y2 
E) dxy

Question 15

What is the oxidation state of the nickel atom in the Ni(CN)53-complex ion?

Accepted Answer

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

Question 16

Terpyridine, which is shown below, is an example of a ________ ligand.

Accepted Answer

A) monodentate 
B) bidentate 
C) tridentate 
D) hydrocarbon 
E) poor 
A) monodentate 
B) bidentate 
C) tridentate 
D) hydrocarbon 
E) poor

Question 17

Draw the structure of cisplatin and briefly describe the mechanism of the metallodrug.

Accepted Answer

@#IMG-DLM& Cisplatin is thought to disru

Question 18

A transition metal complex ion with octahedral geometry has a value of 4.4 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1019 J for the crystal field splitting, F1F1F1S1F1F1F10o. What is the wavelength for the absorption maximum, F1F1F1S1F1F1F10max, for this complex ion?

Accepted Answer

A) 5.0 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1015 nm 
B) 452 nm 
C) 4.5 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1016 nm 
D) 524 nm 
E) 637 nm 
A) 5.0 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1015 nm 
B) 452 nm 
C) 4.5 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1016 nm 
D) 524 nm 
E) 637 nm

Question 19

Which of the following molecules are enantiomers?

Accepted Answer

A) I and II only 
B) III and IV only 
C) V and VI only 
D) II and V only 
E) I, II, V, and VI only 
A) I and II only 
B) III and IV only 
C) V and VI only 
D) II and V only 
E) I, II, V, and VI only

Question 20

Ethylenediamine is an example of a ________ ligand.

Accepted Answer

A) tridentate 
B) hexadentate 
C) bidentate 
D) pentadentate 
E) hydrocarbon 
A) tridentate 
B) hexadentate 
C) bidentate 
D) pentadentate 
E) hydrocarbon

Exam 22: Transition Metals: Biological and Medical Applications

Draw the d orbital splitting diagram for octahedral, tetrahedral, and square planar fields and label the orbitals.

How many stereoisomers are there for the compound [Fe(NH3)4(Cl)2]NO3?

For the coordination compound [Co(NH3)4Cl2]NO3, identify (1) the coordination number of the metal ion. (2) the oxidation number of the metal ion. (3) the charge on the complex ion. (4) the counter ion.

Consider two complexes: (I) [Fe(CN)6]4, and (II) [Fe(H2O)6]2. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct? Spectrochemical Series

Which statement concerning ligands in transition metal complexes is not correct?

CoF63 absorbs light in the red region of the spectrum, while Co(NH3)63 absorbs light in the blue region of the spectrum. This difference means that ________

Which statement A-D concerning the crystal field theory of tetrahedral transition metal complexes is not correct?

Which d orbital(s) is/are highest in energy in a tetrahedral complex?

The correct formula for ammonium tetracyanoplatinate(II) is ________

The correct name for the compound [Fe(NH3)5H2O](NO3)2 is ________

The coordination number for copper in the compound K2[CuCl4] is ________

Chlorophyll a is a pigment in plants that mediates conversion of carbon dioxide to carbohydrates using sunlight. Which metal ion is an important structural component of chlorophyll a?

Which of the following metal ions can only have one spin state regardless of the ligand in an octahedral complex?

Which d orbital is indicated by the arrow in the crystal field splitting diagram for a square planar field?

What is the oxidation state of the nickel atom in the Ni(CN)53-complex ion?

Terpyridine, which is shown below, is an example of a ________ ligand.

Draw the structure of cisplatin and briefly describe the mechanism of the metallodrug.

A transition metal complex ion with octahedral geometry has a value of 4.4  1019 J for the crystal field splitting, o. What is the wavelength for the absorption maximum, max, for this complex ion?

Which of the following molecules are enantiomers?

Ethylenediamine is an example of a ________ ligand.

Matter and Energy: The Origin of the Universe

Atoms, Ions, and Molecules: Matter Starts Here

Stoichiometry: Mass, Formulas, and Reactions

Solution Chemistry: The Hydrosphere

Thermochemistry: Energy Changes in Reactions

Properties of Gases: The Air We Breathe

A Quantum Model of Atoms: Waves and Particles

Chemical Bonds: What Makes a Gas a Greenhouse Gas

Molecular Geometry: Shape Determines Function

Intermolecular Forces: The Uniqueness of Water

Solutions: Properties and Behavior

Solids: Crystals, Alloys, and Polymers

Chemical Kinetics: Reactions in the Atmosphere

Chemical Equilibrium: How Much Product Does a Reaction Really Make

Acidbase Equilibria: Proton Transfer in Biological Systems

Additional Aqueous Equilibria: Chemistry and the Oceans

Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Electrochemistry: The Quest for Clean Energy

Nuclear Chemistry: Applications to Energy and Medicine

Organic and Biological Molecules: the Compounds of Life

The Main Group Elements: Life and the Periodic Table

Filters

How many stereoisomers are there for the compound [Fe(NH₃)₄(Cl)₂]NO₃?

For the coordination compound [Co(NH₃)₄Cl₂]NO₃, identify (1) the coordination number of the metal ion. (2) the oxidation number of the metal ion. (3) the charge on the complex ion. (4) the counter ion.

Consider two complexes: (I) [Fe(CN)₆]⁴^, and (II) [Fe(H₂O)₆]²^. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct? Spectrochemical Series

CoF₆³^ absorbs light in the red region of the spectrum, while Co(NH₃)₆³^ absorbs light in the blue region of the spectrum. This difference means that ________

The correct name for the compound [Fe(NH₃)₅H₂O](NO₃)₂ is ________

The coordination number for copper in the compound K₂[CuCl₄] is ________

What is the oxidation state of the nickel atom in the Ni(CN)₅^3-complex ion?

A transition metal complex ion with octahedral geometry has a value of 4.4  10^¹⁹J for the crystal field splitting, _o. What is the wavelength for the absorption maximum, _max, for this complex ion?