Question 1

The coordination number of platinum in complexes is always ________.

Accepted Answer

A) 4 
B) 5 
C) 2 
D) 3 
E) 6 
A) 4 
B) 5 
C) 2 
D) 3 
E) 6

Question 2

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 3

A complex that absorbs light at 700 nm will appear ________.

Accepted Answer

A) red 
B) green 
C) yellow 
D) orange 
E) violet 
A) red 
B) green 
C) yellow 
D) orange 
E) violet

Question 4

The coordination numbers of cobalt (III)and of chromium (III)in their complexes are always ________.

Accepted Answer

A) 4 
B) 5 
C) 2 
D) 3 
E) 6 
A) 4 
B) 5 
C) 2 
D) 3 
E) 6

Question 5

What is the oxidation state of iron in K3[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 6

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 7

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

Accepted Answer

In some bacteria,sid

Question 8

How many d electrons are associated with the metal ion in [Cr(NH3)6]3+?

Accepted Answer

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

Question 9

What metal is complexed in chlorophyll?

Accepted Answer

A) iron 
B) chromium 
C) manganese 
D) vanadium 
E) magnesium 
A) iron 
B) chromium 
C) manganese 
D) vanadium 
E) magnesium

Question 10

Which one of the following substances has three unpaired d electrons?

Accepted Answer

A) [Zn(NH3)4]2+ 
B) [V(H2O)6]4+ 
C) [Ag(NH3)2]+ 
D) [Cu(NH3)4]2+ 
E) [Cr(CN)6]3- 
A) [Zn(NH3)4]2+ 
B) [V(H2O)6]4+ 
C) [Ag(NH3)2]+ 
D) [Cu(NH3)4]2+ 
E) [Cr(CN)6]3-

Question 11

A compound that can occupy two coordination sites is a (an)________.

Accepted Answer

The answer of A compound that can occupy two coordination...

Question 12

The two more common oxidation states of lead are ________ and ________.

Accepted Answer

The answer of The two more common oxidation states of...

Question 13

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 14

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

Accepted Answer

potassium

Question 15

Which of the following is not a chelating agent?

Accepted Answer

A) water 
B) ethylenediamine 
C) ortho-phenanthroline 
D) carbonate ion 
E) triphosphate ion 
A) water 
B) ethylenediamine 
C) ortho-phenanthroline 
D) carbonate ion 
E) triphosphate ion

Question 16

What is the most common geometry found in five-coordinate complexes?

Accepted Answer

A) trigonal bipyramidal 
B) octahedral 
C) tetrahedral 
D) linear 
E) icosahedral 
A) trigonal bipyramidal 
B) octahedral 
C) tetrahedral 
D) linear 
E) icosahedral

Question 17

The lanthanide contraction is responsible for the fact that ________.

Accepted Answer

A) Zr and Y have about the same radius 
B) Zr and Nb have similar oxidation states 
C) Zr and Hf have about the same radius 
D) Zr and Zn have similar oxidation states 
E) Zr and Hf have the same oxidation states 
A) Zr and Y have about the same radius 
B) Zr and Nb have similar oxidation states 
C) Zr and Hf have about the same radius 
D) Zr and Zn have similar oxidation states 
E) Zr and Hf have the same oxidation states

Question 18

Which one of the following species is paramagnetic?

Accepted Answer

A) Cu 
B) Ne 
C) Y3+ 
D) Ra 
E) Zn2+ 
A) Cu 
B) Ne 
C) Y3+ 
D) Ra 
E) Zn2+

Question 19

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

Accepted Answer

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

Question 20

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

Exam 23: Transition Metals and Coordination Chemistry

The coordination number of platinum in complexes is always ________.

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

A complex that absorbs light at 700 nm will appear ________.

The coordination numbers of cobalt (III)and of chromium (III)in their complexes are always ________.

What is the oxidation state of iron in K3[Fe(CN)6]?

Which of the following is not a chelating agent?

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

How many d electrons are associated with the metal ion in [Cr(NH3)6]3+?

What metal is complexed in chlorophyll?

Which one of the following substances has three unpaired d electrons?

A compound that can occupy two coordination sites is a (an)________.

The two more common oxidation states of lead are ________ and ________.

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

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

Which of the following is not a chelating agent?

What is the most common geometry found in five-coordinate complexes?

The lanthanide contraction is responsible for the fact that ________.

Which one of the following species is paramagnetic?

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

What is the oxidation number of Ni in [Ni(CN)4]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 correct name for [Cu(NH₃)₄(H₂O)₂]²⁺ is ________.

What is the oxidation state of iron in K₃[Fe(CN)₆]?

How many d electrons are associated with the metal ion in [Cr(NH₃)₆]³⁺?

The two more common oxidation states of lead are and .

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

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

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