Question 1

Which one of the following species is paramagnetic?

Accepted Answer

A) Fe3+ 
B) Cu+ 
C) Zn 
D) Mg 
E) Au+ 
A) Fe3+ 
B) Cu+ 
C) Zn 
D) Mg 
E) Au+

Question 2

The ligand with the formula Br- is named ________ in complexes with transition metals.

Accepted Answer

A) bromo 
B) bromide 
C) fluoro 
D) carbonato 
E) azido 
A) bromo 
B) bromide 
C) fluoro 
D) carbonato 
E) azido

Question 3

Myoglobin has ________ heme group(s)that bind(s)________.

Accepted Answer

The answer of Myoglobin has ________ heme group(s)that bind(s)________....

Question 4

The heme unit of myoglobin is bound to the protein via a nitrogen-containing ligand.

Accepted Answer

A) True 
 B)False

Question 5

The chelate effect is best attributed to considerations of which type?

Accepted Answer

A) hydration 
B) enthalpy 
C) entropy 
D) hydrogen bonding 
E) resonance 
A) hydration 
B) enthalpy 
C) entropy 
D) hydrogen bonding 
E) resonance

Question 6

The complex [Zn(NH3)2Cl2]2+ does not exhibit cis-trans isomerism.The geometry of this complex must be ________.

Accepted Answer

A) tetrahedral 
B) trigonal bipyramidal 
C) octahedral 
D) square planar 
E) either tetrahedral or square planar 
A) tetrahedral 
B) trigonal bipyramidal 
C) octahedral 
D) square planar 
E) either tetrahedral or square planar

Question 7

What is the mechanism used in humans to combat blood bacterial growth via deprivation of iron?

Accepted Answer

The answer of What is the mechanism used in humans...

Question 8

Name Na [Ru(H2O)2 (C2O4)2].

Accepted Answer

sodium dia

Question 9

What is the oxidation number of cobalt in [Co(NH3)4F2]?

Accepted Answer

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

Question 10

In what two ways can an object appear blue?

Accepted Answer

absorb all wavelengths except

Question 11

Which of the following will display optical isomerism?

Accepted Answer

A) square-planar [Rh(CO)2Cl2]- 
B) square-planar [Pt(H2NC2H4NH2)2]2+ 
C) octahedral [Co(NH3)6]3+ 
D) octahedral [Co(NH3)5Cl]2+ 
E) octahedral [Co(H2NC2H4NH2)3]3+ 
A) square-planar [Rh(CO)2Cl2]- 
B) square-planar [Pt(H2NC2H4NH2)2]2+ 
C) octahedral [Co(NH3)6]3+ 
D) octahedral [Co(NH3)5Cl]2+ 
E) octahedral [Co(H2NC2H4NH2)3]3+

Question 12

What are the donor atoms in ferrichrome and how many of them are in one molecule?

Accepted Answer

A) Cr, 5 
B) N, 4 
C) O, 6 
D) Fe, 4 
E) S, 6 
A) Cr, 5 
B) N, 4 
C) O, 6 
D) Fe, 4 
E) S, 6

Question 13

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

Accepted Answer

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

Question 14

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 15

Based on the crystal-field strengths Cl- - 2O 3 2NC2H4NH2,which octahedral   complex below has its d-d electronic transition at shortest wavelength?

Accepted Answer

A) [Ti(NH3)6]3+ 
B) [Ti(H2NC2H4NH2)3]3+ 
C) [Ti(H2O)6]3+ 
D) [TiCl6]3- 
E) [TiF6]3- 
A) [Ti(NH3)6]3+ 
B) [Ti(H2NC2H4NH2)3]3+ 
C) [Ti(H2O)6]3+ 
D) [TiCl6]3- 
E) [TiF6]3-

Question 16

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

Accepted Answer

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

Question 17

Chalcocite,chalcopyrite,and malachite are sources of which metal?

Accepted Answer

A) manganese 
B) copper 
C) titanium 
D) iron 
E) zinc 
A) manganese 
B) copper 
C) titanium 
D) iron 
E) zinc

Question 18

Which mineral contains mercury?

Accepted Answer

A) cinnabar 
B) sphalerite 
C) rutile 
D) chromite 
E) cassiterite 
A) cinnabar 
B) sphalerite 
C) rutile 
D) chromite 
E) cassiterite

Question 19

Which of the following statements is (are)false?

Accepted Answer

A) The greater the energy gap in a metal complex, the shorter the wavelength of light the complex will absorb. 
B) Complex color depends on both the metal and the ligand. 
C) Metal complexes with an ammonia ligand have a larger energy gap than the corresponding fluoride complexes. 
D) Strong field ligands are associated with low energy gaps. 
E) Both A and C 
A) The greater the energy gap in a metal complex, the shorter the wavelength of light the complex will absorb. 
B) Complex color depends on both the metal and the ligand. 
C) Metal complexes with an ammonia ligand have a larger energy gap than the corresponding fluoride complexes. 
D) Strong field ligands are associated with low energy gaps. 
E) Both A and C

Question 20

Name the compound,Ca[AlH4]2.

Accepted Answer

calcium te

Exam 23: Transition Metals and Coordination Chemistry

Which one of the following species is paramagnetic?

The ligand with the formula Br- is named ________ in complexes with transition metals.

Myoglobin has ________ heme group(s)that bind(s)________.

The heme unit of myoglobin is bound to the protein via a nitrogen-containing ligand.

The chelate effect is best attributed to considerations of which type?

The complex [Zn(NH3)2Cl2]2+ does not exhibit cis-trans isomerism.The geometry of this complex must be ________.

What is the mechanism used in humans to combat blood bacterial growth via deprivation of iron?

Name Na [Ru(H2O)2 (C2O4)2].

What is the oxidation number of cobalt in [Co(NH3)4F2]?

In what two ways can an object appear blue?

Which of the following will display optical isomerism?

What are the donor atoms in ferrichrome and how many of them are in one molecule?

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

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

Based on the crystal-field strengths Cl- < F- < H2O < NH3 < H2NC2H4NH2,which octahedral complex below has its d-d electronic transition at shortest wavelength?

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

Chalcocite,chalcopyrite,and malachite are sources of which metal?

Which mineral contains mercury?

Which of the following statements is (are)false?

Name the compound,Ca[AlH4]2.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

The ligand with the formula Br^- is named ________ in complexes with transition metals.

Myoglobin has heme group(s)that bind(s).

The complex [Zn(NH₃)₂Cl₂]²⁺ does not exhibit cis-trans isomerism.The geometry of this complex must be ________.

Name Na [Ru(H₂O)₂ (C₂O₄)₂].

What is the oxidation number of cobalt in [Co(NH₃)₄F₂]?

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

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

Based on the crystal-field strengths Cl^- < F^- < H₂O < NH₃ < H₂NC₂H₄NH₂,which octahedral complex below has its d-d electronic transition at shortest wavelength?

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

Name the compound,Ca[AlH₄]₂.