Question 1

Which name could correspond to the following coordination compound, where M represents a transition metal cation and L represents a ligand?

Accepted Answer

A)  Hexachloroferrate(III) 
B)  Hexaammineiron(III) 
C)  Hexaaquochromium(II) 
D)  Hexacyanomanganate(II) 
E)  All of these are possible. 
A)  Hexachloroferrate(III) 
B)  Hexaammineiron(III) 
C)  Hexaaquochromium(II) 
D)  Hexacyanomanganate(II) 
E)  All of these are possible.

Question 2

How many donor atoms enable EDTA to form a stable complex ion with lead?

Accepted Answer

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

Question 3

The numbers of geometrical isomers and optical isomers of the complex ion [Co(en)3]3+ are, respectively,

Accepted Answer

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

Question 4

What type of structure is exhibited by most of the transition metals?

Accepted Answer

A)  Close-packed 
B)  Tetrahedral 
C)  Trigonal planar 
D)  Trigonal pyramidal 
E)  None of the answers is correct. 
A)  Close-packed 
B)  Tetrahedral 
C)  Trigonal planar 
D)  Trigonal pyramidal 
E)  None of the answers is correct.

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Which of these electron energy level patterns would absorb light with the shortest wavelength?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

In the coordination compound [Cr(NH3)(en)2Cl]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

Accepted Answer

A)  C.N. = 6; O.N. = +4. 
B)  C.N. = 6; O.N. = +3. 
C)  C.N. = 5; O.N. = +2. 
D)  C.N. = 4; O.N. = +2. 
E)  C.N. = 4; O.N. = +3. 
A)  C.N. = 6; O.N. = +4. 
B)  C.N. = 6; O.N. = +3. 
C)  C.N. = 5; O.N. = +2. 
D)  C.N. = 4; O.N. = +2. 
E)  C.N. = 4; O.N. = +3.

Question 8

Which of the following ions is least likely to form colored compounds?

Accepted Answer

A)  Mn2+ 
B)  Cr5+ 
C)  Sc3+ 
D)  Fe3+ 
E)  Co2+ 
A)  Mn2+ 
B)  Cr5+ 
C)  Sc3+ 
D)  Fe3+ 
E)  Co2+

Question 9

Which are the most common transition metals?

Accepted Answer

A)  The transition metals in the 3rd period. 
B)  The transition metals in the 4th period. 
C)  The elements in Group 6B. 
D)  The transition metals in the 5th period. 
E)  The transition metals in the 6th period. 
A)  The transition metals in the 3rd period. 
B)  The transition metals in the 4th period. 
C)  The elements in Group 6B. 
D)  The transition metals in the 5th period. 
E)  The transition metals in the 6th period.

Question 10

What is the name that refers to the number of donor atoms surrounding the central metal atom in a complex ion?

Accepted Answer

The answer of What is the name that refers to...

Question 11

A complex ion that undergoes a very slow exchange reaction is called an inert complex.

Accepted Answer

A) True 
 B)False

Question 12

What is the electron configuration of a ground-state Cr atom?

Accepted Answer

A)  1s22s22p63s23p64s23d4 
B)  1s22s22p63s23p63d6 
C)  1s22s22p63s23p64s14d5 
D)  1s22s22p63s23p64s24d4 
E)  1s22s22p63s23p64s13d5 
A)  1s22s22p63s23p64s23d4 
B)  1s22s22p63s23p63d6 
C)  1s22s22p63s23p64s14d5 
D)  1s22s22p63s23p64s24d4 
E)  1s22s22p63s23p64s13d5

Question 13

Which response gives the correct coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH3)2(H2O)2Cl2]+?

Accepted Answer

A)  C.N. = 2; O.N. = +3 
B)  C.N. = 3; O.N. = +1 
C)  C.N. = 4; O.N. = +2 
D)  C.N. = 6; O.N. = +1 
E)  C.N. = 6; O.N. = +3 
A)  C.N. = 2; O.N. = +3 
B)  C.N. = 3; O.N. = +1 
C)  C.N. = 4; O.N. = +2 
D)  C.N. = 6; O.N. = +1 
E)  C.N. = 6; O.N. = +3

Question 14

________ is the name given to compounds that have more than one way to arrange the ligands around the central atom and have distinctly different physical and chemical properties.

Accepted Answer

The answer of ________ is the name given to compounds...

Question 15

What is the coordination number of chromium in Cr(en)2Cl2?

Accepted Answer

Question 16

What is the systematic name for [Ru(NH3)2(en)](NO3)2?

Accepted Answer

A)  (ethylenediamine)diammineruthenium(II) nitrate 
B)  diamminebis(ethylenediamine)ruthenium(III) nitrate 
C)  diammine(ethylenediamine)ruthenium(II) nitrate 
D)  diammine(ethylenediamine)nitratoruthenium(III) 
E)  bis(ethylene)diamminenitratoruthenate(II) 
A)  (ethylenediamine)diammineruthenium(II) nitrate 
B)  diamminebis(ethylenediamine)ruthenium(III) nitrate 
C)  diammine(ethylenediamine)ruthenium(II) nitrate 
D)  diammine(ethylenediamine)nitratoruthenium(III) 
E)  bis(ethylene)diamminenitratoruthenate(II)

Question 17

What are the two types of stereoisomers that coordination compounds may exhibit?

Accepted Answer

geometrica

Question 18

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 19

Coordination compounds may exhibit ________ and ________ types of stereoisomerism.

Accepted Answer

geometrica

Question 20

One of the uses of EDTA is in the treatment of ________ ________.

Accepted Answer

The answer of One of the uses of EDTA is...

Exam 22: Coordination Chemistry

Which name could correspond to the following coordination compound, where M represents a transition metal cation and L represents a ligand?

How many donor atoms enable EDTA to form a stable complex ion with lead?

The numbers of geometrical isomers and optical isomers of the complex ion [Co(en)3]3+ are, respectively,

What type of structure is exhibited by most of the transition metals?

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

Which of these electron energy level patterns would absorb light with the shortest wavelength?

In the coordination compound [Cr(NH3)(en)2Cl]Br2, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

Which of the following ions is least likely to form colored compounds?

Which are the most common transition metals?

What is the name that refers to the number of donor atoms surrounding the central metal atom in a complex ion?

A complex ion that undergoes a very slow exchange reaction is called an inert complex.

What is the electron configuration of a ground-state Cr atom?

Which response gives the correct coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH3)2(H2O)2Cl2]+?

________ is the name given to compounds that have more than one way to arrange the ligands around the central atom and have distinctly different physical and chemical properties.

What is the coordination number of chromium in Cr(en)2Cl2?

What is the systematic name for [Ru(NH3)2(en)](NO3)2?

What are the two types of stereoisomers that coordination compounds may exhibit?

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

Coordination compounds may exhibit ________ and ________ types of stereoisomerism.

One of the uses of EDTA is in the treatment of ________ ________.

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 numbers of geometrical isomers and optical isomers of the complex ion [Co(en)₃]³⁺ are, respectively,

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

In the coordination compound [Cr(NH₃)(en)₂Cl]Br₂, the coordination number (C.N.) and oxidation number (O.N.) of the metal atom are, respectively,

Which response gives the correct coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH₃)₂(H₂O)₂Cl₂]⁺?

What is the coordination number of chromium in Cr(en)₂Cl₂?

What is the systematic name for [Ru(NH₃)₂(en)](NO₃)₂?

Coordination compounds may exhibit and types of stereoisomerism.

One of the uses of EDTA is in the treatment of .