Question 1

Which one of the following species is paramagnetic?

Accepted Answer

A) Cu+ 
B) Cr3+ 
C) Zn 
D) Ca 
E) Ag+ 
A) Cu+ 
B) Cr3+ 
C) Zn 
D) Ca 
E) Ag+

Question 2

How many bonds can ethylenediamine form to a metal ion?

Accepted Answer

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

Question 3

Trans-[Fe(H2O)2Cl4]2- must be __________.

Accepted Answer

A) tetrahedral 
B) octahedral 
C) square planar 
D) trigonal bipyramidal 
E) linear 
A) tetrahedral 
B) octahedral 
C) square planar 
D) trigonal bipyramidal 
E) linear

Question 4

A substance with unpaired electrons will be

Accepted Answer

A) slightly attracted to a magnet. 
B) slightly repelled by a magnet. 
C) permanently magnetic. 
D) brightly colored. 
E) nonmetallic. 
A) slightly attracted to a magnet. 
B) slightly repelled by a magnet. 
C) permanently magnetic. 
D) brightly colored. 
E) nonmetallic.

Question 5

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 6

How many isomers exist for the octahedral complex ion [Co(NH3)4F2]+?

Accepted Answer

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

Question 7

Which of the following cannot form both high- and low-spin octahedral complexes?

Accepted Answer

A) MN2+ 
B) V2+ 
C) Co3+ 
D) Cr2+ 
E) All of the above can form both high- and low-spin complexes. 
A) MN2+ 
B) V2+ 
C) Co3+ 
D) Cr2+ 
E) All of the above can form both high- and low-spin complexes.

Question 8

What is the coordination number of iron in CaNa[Fe(CN)6]?

Accepted Answer

A) 2 
B) 8 
C) 4 
D) 6 
E) 12 
A) 2 
B) 8 
C) 4 
D) 6 
E) 12

Question 9

Does either or both cis- or trans-[Mn(en)2Br2] have optical isomers?

Accepted Answer

A) cis only 
B) trans only 
C) both cis and trans 
D) neither cis nor trans 
E) [Mn(en)2Br2] does not exhibit cis-trans isomerism. 
A) cis only 
B) trans only 
C) both cis and trans 
D) neither cis nor trans 
E) [Mn(en)2Br2] does not exhibit cis-trans isomerism.

Question 10

Name the compound, Cu(H2O)42+.

Accepted Answer

Question 11

What are the donor atoms in a porphine molecule?

Accepted Answer

A) N 
B) O 
C) S 
D) Br 
E) F 
A) N 
B) O 
C) S 
D) Br 
E) F

Question 12

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+?

Accepted Answer

A) 0 
B) +2 
C) +3 
D) -2 
E) -3 
A) 0 
B) +2 
C) +3 
D) -2 
E) -3

Question 13

The secondary valence in metal ion complexes is called the __________.

Accepted Answer

The answer of The secondary valence in metal ion complexes...

Question 14

Non superimposable isomers are __________ isomers.

Accepted Answer

optical, c

Question 15

What is the purpose of adding sodium tripolyphosphate to a detergent?

Accepted Answer

to sequester the metal ions in

Question 16

The correct name for [Ni(NH3)6](NO3)3 is __________.

Accepted Answer

A) dinitrohexaamminenickel (II) 
B) hexaamminenickel (III)trinitrate 
C) dinitrohexaamminenickelate (III) 
D) hexaamminenickel (II)nitrate 
E) hexaamminenickel (III)nitrate 
A) dinitrohexaamminenickel (II) 
B) hexaamminenickel (III)trinitrate 
C) dinitrohexaamminenickelate (III) 
D) hexaamminenickel (II)nitrate 
E) hexaamminenickel (III)nitrate

Question 17

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 18

Consider a complex in which manganese (III)is bonded to six identical ligands. Which one of the following ligands will result in the smallest value of Δ?

Accepted Answer

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

Question 19

The charge of the complex ion in [Zn(H2O)3Cl]Cl is __________.

Accepted Answer

A) 0 
B) 1- 
C) 2+ 
D) 1+ 
E) 2- 
A) 0 
B) 1- 
C) 2+ 
D) 1+ 
E) 2-

Question 20

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl- 2O 3 - large splitting

Accepted Answer

A) [CuCl4]2- 
B) [Cu(H2O)4]2+ 
C) [Cu(NH3)4]2+ 
D) [Cu(CN)4]2- 
E) not enough information given to determine 
A) [CuCl4]2- 
B) [Cu(H2O)4]2+ 
C) [Cu(NH3)4]2+ 
D) [Cu(CN)4]2- 
E) not enough information given to determine

Exam 23: Transition Metals and Coordination Chemistry

Which one of the following species is paramagnetic?

How many bonds can ethylenediamine form to a metal ion?

Trans-[Fe(H2O)2Cl4]2- must be __________.

A substance with unpaired electrons will be

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

How many isomers exist for the octahedral complex ion [Co(NH3)4F2]+?

Which of the following cannot form both high- and low-spin octahedral complexes?

What is the coordination number of iron in CaNa[Fe(CN)6]?

Does either or both cis- or trans-[Mn(en)2Br2] have optical isomers?

Name the compound, Cu(H2O)42+.

What are the donor atoms in a porphine molecule?

What is the oxidation state of chromium in [Cr(H2O)4Cl2]+?

The secondary valence in metal ion complexes is called the __________.

Non superimposable isomers are __________ isomers.

What is the purpose of adding sodium tripolyphosphate to a detergent?

The correct name for [Ni(NH3)6](NO3)3 is __________.

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

Consider a complex in which manganese (III)is bonded to six identical ligands. Which one of the following ligands will result in the smallest value of Δ?

The charge of the complex ion in [Zn(H2O)3Cl]Cl is __________.

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl- < H2O < NH3 < CN- large splitting

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

Trans-[Fe(H₂O)₂Cl₄]²^- must be __________.

How many isomers exist for the octahedral complex ion [Co(NH₃)₄F₂]⁺?

What is the coordination number of iron in CaNa[Fe(CN)₆]?

Does either or both cis- or trans-[Mn(en)₂Br₂] have optical isomers?

Name the compound, Cu(H₂O)₄²⁺.

What is the oxidation state of chromium in [Cr(H₂O)₄Cl₂]⁺?

The correct name for [Ni(NH₃)₆](NO₃)₃ is __________.

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

The charge of the complex ion in [Zn(H₂O)₃Cl]Cl is __________.

Using the following abbreviated spectrochemical series, determine which complex ion is most likely to absorb light in the red region of the visible spectrum. small splitting Cl^- < H₂O < NH₃ < CN^- large splitting