Question 1

Which of the following metals is capable of forming complexes spanning the largest range of oxidation numbers?

Accepted Answer

A) Cu 
B) Sc 
C) Fe 
D) Mn 
E) Ni 
A) Cu 
B) Sc 
C) Fe 
D) Mn 
E) Ni

Question 2

Write the formula for diamminedichloroethylenediaminecobalt(III)bromide.

Accepted Answer

A) [CoCl2(en)(NH3)2]Br 
B) [CoCl2(en)(NH3)2]Br2 
C) [CoCl2(en)2(NH3)2]Br 
D) [CoCl2(en)2(NH3)2]Br2 
E) (NH3)2Cl2(en)Co3Br 
A) [CoCl2(en)(NH3)2]Br 
B) [CoCl2(en)(NH3)2]Br2 
C) [CoCl2(en)2(NH3)2]Br 
D) [CoCl2(en)2(NH3)2]Br2 
E) (NH3)2Cl2(en)Co3Br

Question 3

Ethylenediaminetetraacetic acid (EDTA)is

Accepted Answer

A) not useful as a chelating agent. 
B) an effective antidote for heavy metal poisoning (e.g.,Pb2+ and Hg2+). 
C) a monodentate ligand. 
D) known to form unstable complex ions with Fe3+,Hg2+,and Zn2+. 
E) known to form complexes with platinum that inhibit the growth of cancerous cells. 
A) not useful as a chelating agent. 
B) an effective antidote for heavy metal poisoning (e.g.,Pb2+ and Hg2+). 
C) a monodentate ligand. 
D) known to form unstable complex ions with Fe3+,Hg2+,and Zn2+. 
E) known to form complexes with platinum that inhibit the growth of cancerous cells.

Question 4

Octahedral complexes can exhibit geometric and optical isomerism.

Accepted Answer

A) True 
 B)False

Question 5

The systematic name of the coordination compound K2[Co(H2O)2I4] is potassium diaquotetraiodocobaltate(II).

Accepted Answer

A) True 
 B)False

Question 6

How many geometric isomers can the following square-planar complex have?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 7

The oxidation number of Co in [Co(NH3)4Cl2]Cl is +1.

Accepted Answer

A) True 
 B)False

Question 8

Consider the following octahedral complex structures,each involving ethylene diamine and two different,unidentate ligands X and Y.   Which,if any,of the following pairs are optical isomers?

Accepted Answer

A) Structures 1 and 2 
B) Structures 1 and 3 
C) Structures 1 and 4 
D) Structures 3 and 4 
E) Structures 1,2,3,and 4 
A) Structures 1 and 2 
B) Structures 1 and 3 
C) Structures 1 and 4 
D) Structures 3 and 4 
E) Structures 1,2,3,and 4

Question 9

A complex ion and one or more counter ions are often the components of what type of compounds?

Accepted Answer

Coordinati

Question 10

What name is given to the species that has the ability to hold the metal atom,in the complex ion,like a claw?

Accepted Answer

A) Claw complex 
B) Grasp agent 
C) Chelating agent 
D) Clutch ligand 
E) Clasp a ligand 
A) Claw complex 
B) Grasp agent 
C) Chelating agent 
D) Clutch ligand 
E) Clasp a ligand

Question 11

If the plane of polarization is rotated to the left then the isomer is ____________.

Accepted Answer

The answer of If the plane of polarization is rotated...

Question 12

What is the systematic name for [Cu(NH3)4]Cl2?

Accepted Answer

A) dichlorotetraamminecuprate(II) 
B) tetraamminecopper(II)chloride 
C) copper(II)ammonium chloride 
D) tetraaminocopper(II)chloride 
E) tetramminecopper(II)dichloride 
A) dichlorotetraamminecuprate(II) 
B) tetraamminecopper(II)chloride 
C) copper(II)ammonium chloride 
D) tetraaminocopper(II)chloride 
E) tetramminecopper(II)dichloride

Question 13

How many 4d electrons does a ground-state Mo atom have?

Accepted Answer

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

Question 14

Which of the following ligands is most likely to form a high-spin octahedral complex with cobalt(II)?

Accepted Answer

A) CN- 
B) en (ethylenediamine) 
C) NH3 
D) CO 
E) I- 
A) CN- 
B) en (ethylenediamine) 
C) NH3 
D) CO 
E) I-

Question 15

An equimolar mixture (50:50 ratio)of two enantiomers is called a(n)________ _________.

Accepted Answer

The answer of An equimolar mixture (50:50 ratio)of two enantiomers...

Question 16

_____________ _________ have the ability to hold the metal ion,in the complex ion,like a claw.

Accepted Answer

The answer of _____________ _________ have the ability to hold...

Question 17

Molecules or ions that surround the metal in a complex ion are called ___________.

Accepted Answer

The answer of Molecules or ions that surround the metal...

Question 18

How many 4d electrons does a ground-state Ag+ ion have?

Accepted Answer

A) 8 
B) 1 
C) 10 
D) 2 
E) 9 
A) 8 
B) 1 
C) 10 
D) 2 
E) 9

Question 19

What is the difference between a coordination compound and a complex ion?

Accepted Answer

A coordination compound genera

Question 20

Which of the following species could exist as isomers?

Accepted Answer

A) [Co(H2O)4Cl2]+ 
B) [Pt(NH3)Br3]- 
C) [Pt(en)Cl2] 
D) [Pt(NH3)3Cl]+ 
E) [CuBr4]2+ 
A) [Co(H2O)4Cl2]+ 
B) [Pt(NH3)Br3]- 
C) [Pt(en)Cl2] 
D) [Pt(NH3)3Cl]+ 
E) [CuBr4]2+

Exam 22: Coordination Chemistry

Which of the following metals is capable of forming complexes spanning the largest range of oxidation numbers?

Write the formula for diamminedichloroethylenediaminecobalt(III)bromide.

Ethylenediaminetetraacetic acid (EDTA)is

Octahedral complexes can exhibit geometric and optical isomerism.

The systematic name of the coordination compound K2[Co(H2O)2I4] is potassium diaquotetraiodocobaltate(II).

How many geometric isomers can the following square-planar complex have?

The oxidation number of Co in [Co(NH3)4Cl2]Cl is +1.

Consider the following octahedral complex structures,each involving ethylene diamine and two different,unidentate ligands X and Y. Which,if any,of the following pairs are optical isomers?

A complex ion and one or more counter ions are often the components of what type of compounds?

What name is given to the species that has the ability to hold the metal atom,in the complex ion,like a claw?

If the plane of polarization is rotated to the left then the isomer is ____________.

What is the systematic name for [Cu(NH3)4]Cl2?

How many 4d electrons does a ground-state Mo atom have?

Which of the following ligands is most likely to form a high-spin octahedral complex with cobalt(II)?

An equimolar mixture (50:50 ratio)of two enantiomers is called a(n)________ _________.

_____________ _________ have the ability to hold the metal ion,in the complex ion,like a claw.

Molecules or ions that surround the metal in a complex ion are called ___________.

How many 4d electrons does a ground-state Ag+ ion have?

What is the difference between a coordination compound and a complex ion?

Which of the following species could exist as isomers?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

The systematic name of the coordination compound K₂[Co(H₂O)₂I₄] is potassium diaquotetraiodocobaltate(II).

The oxidation number of Co in [Co(NH₃)₄Cl₂]Cl is +1.

What is the systematic name for [Cu(NH₃)₄]Cl₂?

An equimolar mixture (50:50 ratio)of two enantiomers is called a(n) _.

_____ _ have the ability to hold the metal ion,in the complex ion,like a claw.

How many 4d electrons does a ground-state Ag⁺ ion have?