Question 1

True or false: rhodium complexes are high spin?

Accepted Answer

A) True 
 B)False

Question 2

All of the following complexes are high-spin except

Accepted Answer

A) V(OH2)63+. 
B) Zn(OH2)62+. 
C) Ni(OH2)62+. 
D) Co(OH2)62+. 
E) Fe(OH2)63+. 
A) V(OH2)63+. 
B) Zn(OH2)62+. 
C) Ni(OH2)62+. 
D) Co(OH2)62+. 
E) Fe(OH2)63+.

Question 3

Both Cu2+(aq)and Zn2+(aq)are colorless.True or false?

Accepted Answer

A) True 
 B)False

Question 4

Which of the following complexes is high-spin?

Accepted Answer

A) Cu(en)32+ 
B) Cr(OH2)63+ 
C) Ni(en)32+ 
D) Cr(OH2)62+ 
A) Cu(en)32+ 
B) Cr(OH2)63+ 
C) Ni(en)32+ 
D) Cr(OH2)62+

Question 5

Which of the following complexes is (are)chiral?

Accepted Answer

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

Question 6

In the complex [Fe(CN)6]4F1F1F1S1F1F1F10,

Accepted Answer

A) iron is a Lewis acid and cyanide is a Lewis base. 
B) Cyanide is a Lewis acid. 
C) iron has an oxidation number of +3. 
D) Cyanide has an oxidation number of F1F1F1S1F1F1F102. 
A) iron is a Lewis acid and cyanide is a Lewis base. 
B) Cyanide is a Lewis acid. 
C) iron has an oxidation number of +3. 
D) Cyanide has an oxidation number of F1F1F1S1F1F1F102.

Question 7

For the complex ion [Co(en)(NH3)2(OH2)Cl]2+,there are four possible geometric isomers.How many of these geometric isomers are optically active?

Accepted Answer

A) none 
B) 3 
C) all of them 
D) 1 
E) 2 
A) none 
B) 3 
C) all of them 
D) 1 
E) 2

Question 8

Which of the following oxides is likely to be acidic?

Accepted Answer

A) Mn2O7  
B) MnO2  
C) Mn2O7 and MnO 
D) Mn2O3  
E) MnO 
A) Mn2O7  
B) MnO2  
C) Mn2O7 and MnO 
D) Mn2O3  
E) MnO

Question 9

A F1F1F1S1F1F1F10-bonding ligand always gives a larger ligand field splitting energy than a F1F1F1S1F1F1F10-bonding ligand.True or false?

Accepted Answer

A) True 
 B)False

Question 10

Consider the complex trans-[Co(NH3)4Cl2]Cl.Draw the structure of the complex and clearly label or give the following.
a)The inner and outer coordination spheres
b)The coordination number
c)The trans ligands
d)How many stereoisomers are there for a complex with the formula [Co(NH3)4Cl2]Cl?

Accepted Answer

(a)the inner coordination sphe

Question 11

The properties of the transition metals vary greatly but they all have

Accepted Answer

A) high densities and high melting points. 
B) the same physical properties. 
C) oxides that are used to produce alloys. 
D) low boiling points. 
E) the same strength as their alloys. 
A) high densities and high melting points. 
B) the same physical properties. 
C) oxides that are used to produce alloys. 
D) low boiling points. 
E) the same strength as their alloys.

Question 12

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

Accepted Answer

A) +3 
B) +2 
C) +9 
D) +6 
A) +3 
B) +2 
C) +9 
D) +6

Question 13

How many unpaired electrons are there in [CoBr4]2F1F1F1S1F1F1F10?

Accepted Answer

A) 0 
B) 2 
C) 3 
D) 4 
A) 0 
B) 2 
C) 3 
D) 4

Question 14

What is the name of the complex Na[Co(NH3)3Cl3]?

Accepted Answer

A) Sodium triamminetrichlorocobaltate(II) 
B) Sodium triamminetrichlorocobalt(III) 
C) Sodium tris(aminechloro)cobaltate(II) 
D) Sodium triamminetrichlorocobalt(II) 
E) Sodium trichlorotriamminecobalt(III) 
A) Sodium triamminetrichlorocobaltate(II) 
B) Sodium triamminetrichlorocobalt(III) 
C) Sodium tris(aminechloro)cobaltate(II) 
D) Sodium triamminetrichlorocobalt(II) 
E) Sodium trichlorotriamminecobalt(III)

Question 15

The formulas of mercury(I)and mercury(II)chloride are

Accepted Answer

A) Hg2Cl3 and HgCl2, respectively. 
B) Hg2Cl2 and HgCl2, respectively. 
C) HgCl and HgCl2, respectively. 
D) Hg2Cl and HgCl2, respectively. 
E) Hg2Cl2 and HgCl, respectively. 
A) Hg2Cl3 and HgCl2, respectively. 
B) Hg2Cl2 and HgCl2, respectively. 
C) HgCl and HgCl2, respectively. 
D) Hg2Cl and HgCl2, respectively. 
E) Hg2Cl2 and HgCl, respectively.

Question 16

Which of the following complexes is (are)chiral?

Accepted Answer

A) 1 
B) 4 
C) None of the complexes is chiral. 
D) 2 
E) 2 and 3 
A) 1 
B) 4 
C) None of the complexes is chiral. 
D) 2 
E) 2 and 3

Question 17

The compound Co(en)2(NO2)2Cl has been prepared in a number of isomeric forms.All the forms have the nitrite ion coordinated trough the nitrogen atom.Draw the structure of each isomeric form.
a)One form is optically inactive and does not react with AgNO3 or en.
b)A second form reacts with AgNO3 but not with en and is also optically inactive.
c)A third form is optically active and reacts with both AgNO3 and en.

Accepted Answer

(a)trans-chloronitrobis(ethyle

Question 18

All of the following ligands are monodentate except

Accepted Answer

A) ammine. 
B) cyano. 
C) aqua. 
D) carbonyl. 
E) oxalato. 
A) ammine. 
B) cyano. 
C) aqua. 
D) carbonyl. 
E) oxalato.

Question 19

Which of the following are ionization isomers?

Accepted Answer

A) cis-[CoCl2(en)2]Cl and trans-[CoCl2(en)2]Cl 
B) [Cr(NH3)6][Fe(CN)6] and [Fe(NH3)6][Cr(CN)6] 
C) [CrCl(OH2)5]Cl2F1F1F1S1F1F1F10H2O and [CrCl2(OH2)4]ClF1F1F1S1F1F1F102H2O 
D) [CoBr(NH3)5]SO4 and [CoSO4(NH3)5]Br 
E) [CoNCS(NH3)5]Cl2 and [CoSCN(NH3)5]Cl2  
A) cis-[CoCl2(en)2]Cl and trans-[CoCl2(en)2]Cl 
B) [Cr(NH3)6][Fe(CN)6] and [Fe(NH3)6][Cr(CN)6] 
C) [CrCl(OH2)5]Cl2F1F1F1S1F1F1F10H2O and [CrCl2(OH2)4]ClF1F1F1S1F1F1F102H2O 
D) [CoBr(NH3)5]SO4 and [CoSO4(NH3)5]Br 
E) [CoNCS(NH3)5]Cl2 and [CoSCN(NH3)5]Cl2

Question 20

Except for scandium and titanium,all the 3d transition metals form divalent ions in aqueous solution.True or false?

Accepted Answer

A) True 
 B)False

True or false: rhodium complexes are high spin?

All of the following complexes are high-spin except

Both Cu²⁺(aq)and Zn²⁺(aq)are colorless.True or false?

Which of the following complexes is high-spin?

Which of the following complexes is (are)chiral?

In the complex [Fe(CN)₆]⁴^,

For the complex ion [Co(en)(NH₃)₂(OH₂)Cl]²⁺,there are four possible geometric isomers.How many of these geometric isomers are optically active?

Which of the following oxides is likely to be acidic?

A -bonding ligand always gives a larger ligand field splitting energy than a -bonding ligand.True or false?

The properties of the transition metals vary greatly but they all have

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

How many unpaired electrons are there in [CoBr₄]²^?

What is the name of the complex Na[Co(NH₃)₃Cl₃]?

The formulas of mercury(I)and mercury(II)chloride are

Which of the following complexes is (are)chiral?

All of the following ligands are monodentate except

Which of the following are ionization isomers?

Except for scandium and titanium,all the 3d transition metals form divalent ions in aqueous solution.True or false?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 17: The Elements: the D Block

True or false: rhodium complexes are high spin?

All of the following complexes are high-spin except

Both Cu2+(aq)and Zn2+(aq)are colorless.True or false?

Which of the following complexes is high-spin?

Which of the following complexes is (are)chiral?

In the complex [Fe(CN)6]4,

For the complex ion [Co(en)(NH3)2(OH2)Cl]2+,there are four possible geometric isomers.How many of these geometric isomers are optically active?

Which of the following oxides is likely to be acidic?

A -bonding ligand always gives a larger ligand field splitting energy than a -bonding ligand.True or false?

Consider the complex trans-[Co(NH3)4Cl2]Cl.Draw the structure of the complex and clearly label or give the following. a)The inner and outer coordination spheres b)The coordination number c)The trans ligands d)How many stereoisomers are there for a complex with the formula [Co(NH3)4Cl2]Cl?

The properties of the transition metals vary greatly but they all have

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

How many unpaired electrons are there in [CoBr4]2?

What is the name of the complex Na[Co(NH3)3Cl3]?

The formulas of mercury(I)and mercury(II)chloride are

Which of the following complexes is (are)chiral?

All of the following ligands are monodentate except

Which of the following are ionization isomers?

Except for scandium and titanium,all the 3d transition metals form divalent ions in aqueous solution.True or false?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Both Cu²⁺(aq)and Zn²⁺(aq)are colorless.True or false?

In the complex [Fe(CN)₆]⁴^,

For the complex ion [Co(en)(NH₃)₂(OH₂)Cl]²⁺,there are four possible geometric isomers.How many of these geometric isomers are optically active?

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

How many unpaired electrons are there in [CoBr₄]²^?

What is the name of the complex Na[Co(NH₃)₃Cl₃]?