Question 1

A complex of correctly written formula [Pt(NH3)3Br]Br ∙ H2O has which set of ligands in its inner coordination sphere?

Accepted Answer

A) 3 NH3 
B) 3 NH3 and 2 Br- 
C) 3 NH3 and 1 Br- 
D) 3 NH3, 1 Br-, and 1 H2O 
E) 3 NH3, 2 Br-, and 1 H2O 
A) 3 NH3 
B) 3 NH3 and 2 Br- 
C) 3 NH3 and 1 Br- 
D) 3 NH3, 1 Br-, and 1 H2O 
E) 3 NH3, 2 Br-, and 1 H2O

Question 2

The coordination number of cobalt in CoCl3 ∙ 6NH3 is ________.

Accepted Answer

A) 6 
B) 7 
C) 8 
D) 1 
E) 2 
A) 6 
B) 7 
C) 8 
D) 1 
E) 2

Question 3

EDTA is ________-dantate ligand.

Accepted Answer

A) mono 
B) bi 
C) tri 
D) tetra 
E) hexa 
A) mono 
B) bi 
C) tri 
D) tetra 
E) hexa

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

The chelate effect must always occur with positive enthalpy change.

Accepted Answer

A) True 
 B)False

Question 6

Name Na [Ru(H2O)2 (C2O4)2].

Accepted Answer

sodium dia

Question 7

Name the compound, Ca[AlH4]2.

Accepted Answer

calcium te

Question 8

Which of the following can form both high- and low-spin octahedral complexes?

Accepted Answer

A) Ru2+ 
B) Cr3+ 
C) Cr4+ 
D) Zr 
E) Ag+ 
A) Ru2+ 
B) Cr3+ 
C) Cr4+ 
D) Zr 
E) Ag+

Question 9

Linkage isomerism would most likely occur when which of the following ligands is present?

Accepted Answer

A) H2O 
B) NH3 
C) Cl- 
D) PF3 
E) NCS- 
A) H2O 
B) NH3 
C) Cl- 
D) PF3 
E) NCS-

Question 10

What are the donor atoms in ferrichrome and how many of them are in one molecule?

Accepted Answer

A) Cr, 5 
B) N, 4 
C) O, 6 
D) Fe, 4 
E) S, 6 
A) Cr, 5 
B) N, 4 
C) O, 6 
D) Fe, 4 
E) S, 6

Question 11

Name the compound, Cu(H2O)42+.

Accepted Answer

Question 12

During the formation of a coordination compound, ligands act as ________.

Accepted Answer

A) Lewis bases 
B) Arrhenius bases 
C) Br∅nsted bases 
D) Lewis acids 
E) Arrhenius acids 
A) Lewis bases 
B) Arrhenius bases 
C) Br∅nsted bases 
D) Lewis acids 
E) Arrhenius acids

Question 13

The energy of a metal ligand complex is higher than the energy of the separated components.

Accepted Answer

A) True 
 B)False

Question 14

The coordination number and oxidation number of the central atom in [Mn(CO)4Br2] are ________ and ________, respectively.

Accepted Answer

A) 4, +1 
B) 6, +1 
C) 5, +2 
D) 4, +2 
E) 6, +2 
A) 4, +1 
B) 6, +1 
C) 5, +2 
D) 4, +2 
E) 6, +2

Question 15

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 16

Which of the following will display optical isomerism?

Accepted Answer

A) square-planar [Rh(CO)2Cl2]- 
B) square-planar [Pt(H2NC2H4NH2)2]2+ 
C) octahedral [Co(NH3)6]3+ 
D) octahedral [Co(NH3)5Cl]2+ 
E) octahedral [Co(H2NC2H4NH2)3]3+ 
A) square-planar [Rh(CO)2Cl2]- 
B) square-planar [Pt(H2NC2H4NH2)2]2+ 
C) octahedral [Co(NH3)6]3+ 
D) octahedral [Co(NH3)5Cl]2+ 
E) octahedral [Co(H2NC2H4NH2)3]3+

Question 17

What is the mechanism used in humans to combat blood bacterial growth via deprivation of iron?

Accepted Answer

The answer of What is the mechanism used in humans...

Question 18

What is a siderophore?

Accepted Answer

a ligand that forms

Question 19

A metal complex absorbs light mainly at 420 nm. What is the color of the complex?

Accepted Answer

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

Question 20

How many iron atoms are coordinated in a hemoglobin molecule?

Accepted Answer

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

Exam 23: Transition Metals and Coordination Chemistry

A complex of correctly written formula [Pt(NH3)3Br]Br ∙ H2O has which set of ligands in its inner coordination sphere?

The coordination number of cobalt in CoCl3 ∙ 6NH3 is ________.

EDTA is ________-dantate ligand.

A substance with unpaired electrons will be ________.

The chelate effect must always occur with positive enthalpy change.

Name Na [Ru(H2O)2 (C2O4)2].

Name the compound, Ca[AlH4]2.

Which of the following can form both high- and low-spin octahedral complexes?

Linkage isomerism would most likely occur when which of the following ligands is present?

What are the donor atoms in ferrichrome and how many of them are in one molecule?

Name the compound, Cu(H2O)42+.

During the formation of a coordination compound, ligands act as ________.

The energy of a metal ligand complex is higher than the energy of the separated components.

The coordination number and oxidation number of the central atom in [Mn(CO)4Br2] are ________ and ________, respectively.

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?

Which of the following will display optical isomerism?

What is the mechanism used in humans to combat blood bacterial growth via deprivation of iron?

What is a siderophore?

A metal complex absorbs light mainly at 420 nm. What is the color of the complex?

How many iron atoms are coordinated in a hemoglobin molecule?

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

A complex of correctly written formula [Pt(NH₃)₃Br]Br ∙ H₂O has which set of ligands in its inner coordination sphere?

The coordination number of cobalt in CoCl₃ ∙ 6NH₃ is ________.

Name Na [Ru(H₂O)₂ (C₂O₄)₂].

Name the compound, Ca[AlH₄]₂.

Name the compound, Cu(H₂O)₄²⁺.

The coordination number and oxidation number of the central atom in [Mn(CO)₄Br₂] are and , respectively.