Question 1

Draw a diagram of the short-hand ground state electron configuration of zinc.

Accepted Answer

The answer of Draw a diagram of the short-hand ground...

Question 2

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 D

Question 3

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

Accepted Answer

In some bacteria, siderophore production decreases as temperature increases.

Question 4

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 5

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 6

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 7

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 8

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 9

How can high-spin and low-spin transition metal complexes be distinguished from each other?

Accepted Answer

Magnetic properties

Question 10

If chloride is a ligand to a transition metal it will not be precipitated by silver nitrate.

Accepted Answer

A) True 
 B)False

Question 11

Which one of the following species is a potential polydentate ligand (chelating agent)?

Accepted Answer

A) NH3 
B) Cl- 
C) CN- 
D) H2O 
E) C2O42- 
A) NH3 
B) Cl- 
C) CN- 
D) H2O 
E) C2O42-

Question 12

During the formation of a coordination compound, ligands act as __________.

Accepted Answer

A) Lewis bases 
B) Arrhenius bases 
C) Br∅nsted bases 
D) Lewis acids 
E) Arrhenius acids 
A) Lewis bases 
B) Arrhenius bases 
C) Br∅nsted bases 
D) Lewis acids 
E) Arrhenius acids

Question 13

In the leaves of plants, visible light is absorbed by a compound known as __________, and is aided by a __________ ion bonded to a porphyrin ring.

Accepted Answer

The answer of In the leaves of plants, visible light...

Question 14

Which of the following is not a chelating agent?

Accepted Answer

A) chloride anion 
B) EDTA 
C) porphine 
D) ethylenediamine 
E) oxalate anion 
A) chloride anion 
B) EDTA 
C) porphine 
D) ethylenediamine 
E) oxalate anion

Question 15

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

Question 16

The coordination number of cobalt in CoCl3 ∙ 6NH3 is __________.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 6 
E) 8 
A) 2 
B) 3 
C) 4 
D) 6 
E) 8

Question 17

A geometrical isomer with like groups located on opposite sides of the metal atom is denoted with the prefix __________.

Accepted Answer

A) cis- 
B) trans- 
C) bis- 
D) tetrakis- 
E) d- 
A) cis- 
B) trans- 
C) bis- 
D) tetrakis- 
E) d-

Question 18

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of __________ and __________.

Accepted Answer

oxidation

Question 19

The most common coordination numbers are __________.

Accepted Answer

The answer of The most common coordination numbers are __________....

Question 20

__________ arises when the unpaired electrons of the atoms or ions in a solid are influenced by the orientations of the electrons of their neighbors.

Accepted Answer

The answer of __________ arises when the unpaired electrons of...

Exam 23: Transition Metals and Coordination Chemistry

Draw a diagram of the short-hand ground state electron configuration of zinc.

Which of the following statements is (are)false?

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

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

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

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

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

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

How can high-spin and low-spin transition metal complexes be distinguished from each other?

If chloride is a ligand to a transition metal it will not be precipitated by silver nitrate.

Which one of the following species is a potential polydentate ligand (chelating agent)?

During the formation of a coordination compound, ligands act as __________.

In the leaves of plants, visible light is absorbed by a compound known as __________, and is aided by a __________ ion bonded to a porphyrin ring.

Which of the following is not a chelating agent?

Which mineral contains titanium?

The coordination number of cobalt in CoCl3 ∙ 6NH3 is __________.

A geometrical isomer with like groups located on opposite sides of the metal atom is denoted with the prefix __________.

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of __________ and __________.

The most common coordination numbers are __________.

__________ arises when the unpaired electrons of the atoms or ions in a solid are influenced by the orientations of the electrons of their neighbors.

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 chromium in [Cr(NH₃)₄Cl₂]Cl?

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

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

In the leaves of plants, visible light is absorbed by a compound known as , and is aided by a ion bonded to a porphyrin ring.

The coordination number of cobalt in CoCl₃ ^∙ 6NH₃ is __________.

Werner's theory of primary and secondary valences for transition metal complexes has given us the concepts of and .