Question 1

Which geometry does not exhibit cis- trans- isomerism ?

Accepted Answer

A)  linear 
B)  octahedral 
C)  square planar 
D)  tetrahedral 
E)  All geometries can exhibit cis- trans- isomerism. 
A)  linear 
B)  octahedral 
C)  square planar 
D)  tetrahedral 
E)  All geometries can exhibit cis- trans- isomerism.

Question 2

The chelate effect must always occur with positive enthalpy change.

Accepted Answer

A) True 
 B)False

Question 3

Transition metal complexes, whose metal ions have the same number of unpaired electrons, are paramagnetic

Accepted Answer

A) True 
 B)False

Question 4

What transition metal is responsible for the color of amethyst ?

Accepted Answer

A)  manganese 
B)  titanium 
C)  chromium 
D)  cobalt 
E)  gold 
A)  manganese 
B)  titanium 
C)  chromium 
D)  cobalt 
E)  gold

Question 5

Which of the following complexes has a coordination number of 6?

Accepted Answer

A)  [Pt(NH3)2Cl2] 
B)  [Ag(NH3)2]+ 
C)  [Cu(NH3)4]2+ 
D)  [Co(en)2Cl2]+ 
E)  None of these complexes has coordination number 6. 
A)  [Pt(NH3)2Cl2] 
B)  [Ag(NH3)2]+ 
C)  [Cu(NH3)4]2+ 
D)  [Co(en)2Cl2]+ 
E)  None of these complexes has coordination number 6.

Question 6

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

Accepted Answer

in some bacteria, si

Question 7

During the formation of a coordination compound, the metal acts as a _.

Accepted Answer

A)  Lewis base 
B)  BrØnsted acid 
C)  Lewis acid 
D)  Arrhenius acid 
E)  BrØnsted base 
A)  Lewis base 
B)  BrØnsted acid 
C)  Lewis acid 
D)  Arrhenius acid 
E)  BrØnsted base

Question 8

In , the bonds are the same but the spatial arrangement of the atoms is different.

Accepted Answer

A)  stereo isomers 
B)  resonance structures 
C)  structural isomers 
D)  linkage isomers 
E)  coordination- sphere isomers 
A)  stereo isomers 
B)  resonance structures 
C)  structural isomers 
D)  linkage isomers 
E)  coordination- sphere isomers

Question 9

What colors of light does chlorophyll- a absorb?

Accepted Answer

The answer of What colors of light does chlorophyll- a...

Question 10

What is the charge on the complex ion in Mg2[FeCl6] ?

Accepted Answer

A)  3- 
B)  4- 
C)  3+ 
D)  2- 
E)  2+ 
A)  3- 
B)  4- 
C)  3+ 
D)  2- 
E)  2+

Question 11

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

Accepted Answer

A)  tris(triphenylphosphine)chlororhodium(I) 
B)  chlorotriphenylphosphinerhodium(I) 
C)  chlorotris(triphenylphosphine)rhodium(I) 
D)  phenylphosphinerhodium 
E)  chlorotris(triphenylphosphine)rhodate(-I) 
A)  tris(triphenylphosphine)chlororhodium(I) 
B)  chlorotriphenylphosphinerhodium(I) 
C)  chlorotris(triphenylphosphine)rhodium(I) 
D)  phenylphosphinerhodium 
E)  chlorotris(triphenylphosphine)rhodate(-I)

Question 12

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

Accepted Answer

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

Question 13

What is a siderophore?

Accepted Answer

a ligand that forms

Question 14

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

Accepted Answer

A)  4 
B)  0 
C)  1 
D)  3 
E)  6 
A)  4 
B)  0 
C)  1 
D)  3 
E)  6

Question 15

The "dentation " of a ligand is defined by _ _.

Accepted Answer

A)  how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B)  how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C)  how many metal ions it can sequester from solution 
D)  the total number of lone pairs of electrons it possesses 
E)  none of the above 
A)  how many "dents" or "deceptions" there are in the coordination sphere of a complex species it forms 
B)  how many electron donor atoms it utilizes to form coordinate bonds to the central metal ion 
C)  how many metal ions it can sequester from solution 
D)  the total number of lone pairs of electrons it possesses 
E)  none of the above

Question 16

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

Accepted Answer

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

Question 17

What is the charge of the central metal ion in Ca3[Fe(CN)6]2  ?

Accepted Answer

A)  1+ 
B)  2+ 
C)  6+ 
D)  3+ 
E)  0 
A)  1+ 
B)  2+ 
C)  6+ 
D)  3+ 
E)  0

Question 18

The porphyrin compound that contrains Mg(II) is called .

Accepted Answer

The answer of The porphyrin compound that contrains Mg(II) is...

Question 19

The color of hemoglobin changes from purple to red when water displaces oxygen on the molecule.

Accepted Answer

A) True 
 B)False

Question 20

Which one of the following coordination compounds would be paramagnetic?

Accepted Answer

A)  [Cd(H2O)6]SO4 
B)  Na[CoCl6] (low spin) 
C)  [Cu(H2O)4]Br 
D)  [Zn(NH3)4]Cl2 
E)  K[FeCl4] (low spin) 
A)  [Cd(H2O)6]SO4 
B)  Na[CoCl6] (low spin) 
C)  [Cu(H2O)4]Br 
D)  [Zn(NH3)4]Cl2 
E)  K[FeCl4] (low spin)

Exam 24: Chemistry of Coordination Compounds

Which geometry does not exhibit cis- trans- isomerism ?

The chelate effect must always occur with positive enthalpy change.

Transition metal complexes, whose metal ions have the same number of unpaired electrons, are paramagnetic

What transition metal is responsible for the color of amethyst ?

Which of the following complexes has a coordination number of 6?

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

During the formation of a coordination compound, the metal acts as a _.

In , the bonds are the same but the spatial arrangement of the atoms is different.

What colors of light does chlorophyll- a absorb?

What is the charge on the complex ion in Mg2[FeCl6] ?

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

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

What is a siderophore?

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

The "dentation " of a ligand is defined by _ _.

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

What is the charge of the central metal ion in Ca3[Fe(CN)6]2 ?

The porphyrin compound that contrains Mg(II) is called .

The color of hemoglobin changes from purple to red when water displaces oxygen on the molecule.

Which one of the following coordination compounds would be paramagnetic?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

The Chemistry of Life: Organic and Biological Chemistry

Filters

What is the charge on the complex ion in Mg₂[FeCl₆] ?

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

What is the charge of the central metal ion in Ca₃[Fe(CN)₆]₂?