Question 1

Order the following acids from weakest to strongest: HClO,HClO4,HClO2,HClO3.

Accepted Answer

A) HClO 3 4 2  
B) HClO4 2 3  
C) HClO 4 3 2  
D) HClO4 3 2 2 3 4  
A) HClO 3 4 2  
B) HClO4 2 3  
C) HClO 4 3 2  
D) HClO4 3 2 2 3 4

Question 2

The products of the reaction of Al4C3(s)with water are

Accepted Answer

A) Al2O3(s)and CH4(g). 
B) Al(OH)3(s)and C2H2(g). 
C) Al(OH)3(s)and C2H4(g). 
D) Al2O3(s)and C2H2(g). 
E) Al(OH)3(s)and CH4(g). 
A) Al2O3(s)and CH4(g). 
B) Al(OH)3(s)and C2H2(g). 
C) Al(OH)3(s)and C2H4(g). 
D) Al2O3(s)and C2H2(g). 
E) Al(OH)3(s)and CH4(g).

Question 3

What is the formula of quicklime?

Accepted Answer

A) CaO 
B) MgSO4  
C) Ca(OH)2  
D) CaCO3  
E) CaSO4  
A) CaO 
B) MgSO4  
C) Ca(OH)2  
D) CaCO3  
E) CaSO4

Question 4

Ammonium nitrate is explosive because

Accepted Answer

A) the ammonium ion decomposes readily. 
B) the ammonium ion can be oxidized by the nitrate ion. 
C) the nitrate ion decomposes readily. 
D) the ammonium ion is readily reduced. 
E) nitrate reacts readily with oxygen in air. 
A) the ammonium ion decomposes readily. 
B) the ammonium ion can be oxidized by the nitrate ion. 
C) the nitrate ion decomposes readily. 
D) the ammonium ion is readily reduced. 
E) nitrate reacts readily with oxygen in air.

Question 5

Which of the following is diamagnetic?

Accepted Answer

A) O22F1F1F1S1F1F1F10 
B) NO2 
C) O2 
D) O2F1F1F1S1F1F1F10 
A) O22F1F1F1S1F1F1F10 
B) NO2 
C) O2 
D) O2F1F1F1S1F1F1F10

Question 6

What is the shape of ClF4+?

Accepted Answer

A) Seesaw 
B) T-shaped 
C) Trigonal bipyramidal 
D) Tetrahedral 
E) Square planar 
A) Seesaw 
B) T-shaped 
C) Trigonal bipyramidal 
D) Tetrahedral 
E) Square planar

Question 7

In the reaction
Cu2+(aq)+ 4NH3(aq)F1F1F1S1F1F1F10 Cu(NH3)42+(aq)
the Lewis acid is ____________ and the Lewis base is ____________.

Accepted Answer

Question 8

Which of the following has the largest bond enthalpy?

Accepted Answer

A) HCl 
B) All the bond enthalpies are the same. 
C) HBr 
D) HF 
E) HI 
A) HCl 
B) All the bond enthalpies are the same. 
C) HBr 
D) HF 
E) HI

Question 9

State whether each of the following oxides is acidic,basic,or amphoteric.
P2O5
NO2
Sb2O3
As4O6
Bi2O3

Accepted Answer

P₂O₅,acidic; NO₂,acidic

Question 10

All of the following contain silicates in various forms except

Accepted Answer

A) asbestos. 
B) mica. 
C) talc. 
D) molecular sieves. 
E) alum. 
A) asbestos. 
B) mica. 
C) talc. 
D) molecular sieves. 
E) alum.

Question 11

Circle the species that has the largest radius: Ca2+,S2F1F1F1S1F1F1F10,S,Cl.

Accepted Answer

Question 12

Given that N2O3(g)dissociates to NO(g)and NO2(g),how many lone pairs of electrons are in the Lewis structure of N2O3?

Accepted Answer

A) 2 
B) 6 
C) 1 
D) 4 
E) 8 
A) 2 
B) 6 
C) 1 
D) 4 
E) 8

Question 13

The phase diagram for helium-4 indicates that

Accepted Answer

A) helium has three phases. 
B) helium has two liquid phases. 
C) helium can be liquefied at ordinary pressures. 
D) helium exists as He(g)and He(l)at about 2 K. 
E) helium exists only as a gas. 
A) helium has three phases. 
B) helium has two liquid phases. 
C) helium can be liquefied at ordinary pressures. 
D) helium exists as He(g)and He(l)at about 2 K. 
E) helium exists only as a gas.

Question 14

Because the sulfur atom in SF6 has an oxidation number of +6,SF6 is a good oxidizing agent.True or false?

Accepted Answer

A) True 
 B)False

Question 15

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.True or false?

Accepted Answer

A) True 
 B)False

Question 16

The geometry of PCl4+ is

Accepted Answer

A) T-shaped. 
B) tetrahedral. 
C) seesaw. 
D) trigonal bipyramidal. 
E) trigonal pyramidal. 
A) T-shaped. 
B) tetrahedral. 
C) seesaw. 
D) trigonal bipyramidal. 
E) trigonal pyramidal.

Question 17

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

Accepted Answer

A) KCl 
B) MgCl2  
C) NaCl 
D) RbI 
E) LiF 
A) KCl 
B) MgCl2  
C) NaCl 
D) RbI 
E) LiF

Question 18

In the following reaction,what role does CO play?
PbO(s)+ CO(g)F1F1F1S1F1F1F10 Pb(s)+ CO2(g).

Accepted Answer

It is a re

Question 19

What was the key idea that led to the synthesis of fluorine and oxygen compounds of xenon?

Accepted Answer

that the ionization

Question 20

The formula of phosphorus(V)oxide is

Accepted Answer

A) P2O4. 
B) P4O6. 
C) P4O10. 
D) PO2. 
E) P2O3. 
A) P2O4. 
B) P4O6. 
C) P4O10. 
D) PO2. 
E) P2O3.

Order the following acids from weakest to strongest: HClO,HClO₄,HClO₂,HClO₃.

The products of the reaction of Al₄C₃(s)with water are

What is the formula of quicklime?

Ammonium nitrate is explosive because

Which of the following is diamagnetic?

What is the shape of ClF₄⁺?

In the reaction Cu²⁺(aq)+ 4NH₃(aq) Cu(NH₃)₄²⁺(aq) the Lewis acid is and the Lewis base is .

Which of the following has the largest bond enthalpy?

State whether each of the following oxides is acidic,basic,or amphoteric. P₂O₅ NO₂ Sb₂O₃ As₄O₆ Bi₂O₃

All of the following contain silicates in various forms except

Circle the species that has the largest radius: Ca²⁺,S²^,S,Cl.

Given that N₂O₃(g)dissociates to NO(g)and NO₂(g),how many lone pairs of electrons are in the Lewis structure of N₂O₃?

The phase diagram for helium-4 indicates that

Because the sulfur atom in SF₆ has an oxidation number of +6,SF₆ is a good oxidizing agent.True or false?

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.True or false?

The geometry of PCl₄⁺ is

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

In the following reaction,what role does CO play? PbO(s)+ CO(g) Pb(s)+ CO₂(g).

What was the key idea that led to the synthesis of fluorine and oxygen compounds of xenon?

The formula of phosphorus(V)oxide is

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

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Exam 16: The Elements: the Main Group Elements

Order the following acids from weakest to strongest: HClO,HClO4,HClO2,HClO3.

The products of the reaction of Al4C3(s)with water are

What is the formula of quicklime?

Ammonium nitrate is explosive because

Which of the following is diamagnetic?

What is the shape of ClF4+?

In the reaction Cu2+(aq)+ 4NH3(aq) Cu(NH3)42+(aq) the Lewis acid is ____________ and the Lewis base is ____________.

Which of the following has the largest bond enthalpy?

State whether each of the following oxides is acidic,basic,or amphoteric. P2O5 NO2 Sb2O3 As4O6 Bi2O3

All of the following contain silicates in various forms except

Circle the species that has the largest radius: Ca2+,S2,S,Cl.

Given that N2O3(g)dissociates to NO(g)and NO2(g),how many lone pairs of electrons are in the Lewis structure of N2O3?

The phase diagram for helium-4 indicates that

Because the sulfur atom in SF6 has an oxidation number of +6,SF6 is a good oxidizing agent.True or false?

Polarizability is a measure of the ease with which an electron cloud can be distorted and is greatest for electron-rich atoms like fluorine.True or false?

The geometry of PCl4+ is

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

In the following reaction,what role does CO play? PbO(s)+ CO(g) Pb(s)+ CO2(g).

What was the key idea that led to the synthesis of fluorine and oxygen compounds of xenon?

The formula of phosphorus(V)oxide is

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 D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Order the following acids from weakest to strongest: HClO,HClO₄,HClO₂,HClO₃.

The products of the reaction of Al₄C₃(s)with water are

What is the shape of ClF₄⁺?

In the reaction Cu²⁺(aq)+ 4NH₃(aq) Cu(NH₃)₄²⁺(aq) the Lewis acid is and the Lewis base is .

State whether each of the following oxides is acidic,basic,or amphoteric. P₂O₅ NO₂ Sb₂O₃ As₄O₆ Bi₂O₃

Circle the species that has the largest radius: Ca²⁺,S²^,S,Cl.

Given that N₂O₃(g)dissociates to NO(g)and NO₂(g),how many lone pairs of electrons are in the Lewis structure of N₂O₃?

Because the sulfur atom in SF₆ has an oxidation number of +6,SF₆ is a good oxidizing agent.True or false?

The geometry of PCl₄⁺ is

In the following reaction,what role does CO play? PbO(s)+ CO(g) Pb(s)+ CO₂(g).