Question 1

Explain why hydrofluoric acid etches glass.

Accepted Answer

Hydrofluoric acid forms a solu

Question 2

Which group 6A element is not commonly found in a positive oxidation state?

Accepted Answer

A) sulfur 
B) selenium 
C) oxygen 
D) tellurium 
E) polonium 
A) sulfur 
B) selenium 
C) oxygen 
D) tellurium 
E) polonium

Question 3

Of the following, which is an ionic hydride?

Accepted Answer

A) BaH2 
B) LiH 
C) CaH2 
D) SrH2 
E) all of the above 
A) BaH2 
B) LiH 
C) CaH2 
D) SrH2 
E) all of the above

Question 4

Of the following substances, __________ is both a very strong acid and a powerful oxidizing agent.

Accepted Answer

A) HNO3 
B) H2SO4 
C) HCl 
D) H3PO4 
E) HF 
A) HNO3 
B) H2SO4 
C) HCl 
D) H3PO4 
E) HF

Question 5

In the following chemical equation Na3P + 3H2O →
The products (when the equation is balanced)are

Accepted Answer

A) H2PO3 + 3NaH 
B) NaOH + 3PH 
C) 3NaH + POH3 
D) 3NaO + PH6 
E) 3NaOH + PH3 
A) H2PO3 + 3NaH 
B) NaOH + 3PH 
C) 3NaH + POH3 
D) 3NaO + PH6 
E) 3NaOH + PH3

Question 6

KNO3 and NaNO3 are also known as __________.

Accepted Answer

Question 7

Which of the following would produce the most strongly acidic aqueous solution?

Accepted Answer

A) HCO3- 
B) CO 
C) CO2 
D) CO32- 
E) CaCO3 
A) HCO3- 
B) CO 
C) CO2 
D) CO32- 
E) CaCO3

Question 8

A carbonyl compound contains

Accepted Answer

A) a carbon-oxygen double bond 
B) a carbon-oxygen triple bond 
C) a carbon atom with a lone pair of electrons 
D) a carbon-carbon triple bond 
E) a carbon-carbon double bond 
A) a carbon-oxygen double bond 
B) a carbon-oxygen triple bond 
C) a carbon atom with a lone pair of electrons 
D) a carbon-carbon triple bond 
E) a carbon-carbon double bond

Question 9

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl3 or PCl5 forms depends on

Accepted Answer

A) which allotropic form of phosphorus is used. 
B) the amount of chlorine present. 
C) whether the reaction is carried out in the gas phase or in solution. 
D) whether the chlorine used is molecular or atomic. 
E) the amount of moisture present. 
A) which allotropic form of phosphorus is used. 
B) the amount of chlorine present. 
C) whether the reaction is carried out in the gas phase or in solution. 
D) whether the chlorine used is molecular or atomic. 
E) the amount of moisture present.

Question 10

Of the following, the most nonmetallic element is __________.

Accepted Answer

A) carbon 
B) selenium 
C) iodine 
D) fluorine 
E) phosphorus 
A) carbon 
B) selenium 
C) iodine 
D) fluorine 
E) phosphorus

Question 11

The active ingredient in many liquid bleaches is __________.

Accepted Answer

A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4 
A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4

Question 12

Which noble gas is known to form a variety of binary compounds?

Accepted Answer

A) Xe 
B) He 
C) Ne 
D) Ar 
E) Kr 
A) Xe 
B) He 
C) Ne 
D) Ar 
E) Kr

Question 13

How many oxygen atoms are bonded to each silicon atom in SiO2?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none 
A) 1 
B) 2 
C) 3 
D) 4 
E) none

Question 14

Which of the following equations correctly represents the combustion of hydrazine?

Accepted Answer

A) N2H4 (l)+ O2 (g)→ NH3 (g)+ HNO2 (g) 
B) N2H4 (l)+ 2O2 (g)→ 2NO2 (g)+ 2H2 (g) 
C) N2H4 (l)+ O2 (g)→ 2H2NO (g) 
D) N2H4 (l)+ O2 (g)→ N2 (g)+ 2H2O (g) 
E) N2H4 (l)+ O2 (g)→ N2 (g)+ 2H2 (g)+ O2 (g) 
A) N2H4 (l)+ O2 (g)→ NH3 (g)+ HNO2 (g) 
B) N2H4 (l)+ 2O2 (g)→ 2NO2 (g)+ 2H2 (g) 
C) N2H4 (l)+ O2 (g)→ 2H2NO (g) 
D) N2H4 (l)+ O2 (g)→ N2 (g)+ 2H2O (g) 
E) N2H4 (l)+ O2 (g)→ N2 (g)+ 2H2 (g)+ O2 (g)

Question 15

The oxidation state of silicon in SiO24- is __________.

Accepted Answer

A) 0 
B) +6 
C) +2 
D) +4 
E) -4 
A) 0 
B) +6 
C) +2 
D) +4 
E) -4

Question 16

Interhalogen compounds __________.

Accepted Answer

A) are exceedingly reactive 
B) contain halogens in both positive and negative oxidation states 
C) are powerful oxidizing agents 
D) that contain fluorine are very active fluorinating agents 
E) all of the above 
A) are exceedingly reactive 
B) contain halogens in both positive and negative oxidation states 
C) are powerful oxidizing agents 
D) that contain fluorine are very active fluorinating agents 
E) all of the above

Question 17

Isotopes of hydrogen

Accepted Answer

A) have the same atomic number and different mass numbers. 
B) have the same atomic number and the same mass number. 
C) have different atomic numbers and different mass numbers. 
D) have different atomic numbers and the same mass number. 
E) are exactly alike. 
A) have the same atomic number and different mass numbers. 
B) have the same atomic number and the same mass number. 
C) have different atomic numbers and different mass numbers. 
D) have different atomic numbers and the same mass number. 
E) are exactly alike.

Question 18

What noble gas is radioactive?

Accepted Answer

The answer of What noble gas is radioactive?...

Question 19

The reaction between nitrogen dioxide and water is a

Accepted Answer

A) decomposition 
B) combustion 
C) disproportionation 
D) neutralization 
E) replacement 
A) decomposition 
B) combustion 
C) disproportionation 
D) neutralization 
E) replacement

Question 20

Which one of the following is true concerning borax?

Accepted Answer

A) It is the hydrated sodium salt of tetraboric acid. 
B) It is found in dry lake deposits in California. 
C) Its aqueous solutions are alkaline. 
D) It is commonly used in cleaning products. 
E) All of the above are true. 
A) It is the hydrated sodium salt of tetraboric acid. 
B) It is found in dry lake deposits in California. 
C) Its aqueous solutions are alkaline. 
D) It is commonly used in cleaning products. 
E) All of the above are true.

Exam 22: Chemistry of the Nonmetals

Explain why hydrofluoric acid etches glass.

Which group 6A element is not commonly found in a positive oxidation state?

Of the following, which is an ionic hydride?

Of the following substances, __________ is both a very strong acid and a powerful oxidizing agent.

In the following chemical equation Na3P + 3H2O → The products (when the equation is balanced)are

KNO3 and NaNO3 are also known as __________.

Which of the following would produce the most strongly acidic aqueous solution?

A carbonyl compound contains

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl3 or PCl5 forms depends on

Of the following, the most nonmetallic element is __________.

The active ingredient in many liquid bleaches is __________.

Which noble gas is known to form a variety of binary compounds?

How many oxygen atoms are bonded to each silicon atom in SiO2?

Which of the following equations correctly represents the combustion of hydrazine?

The oxidation state of silicon in SiO24- is __________.

Interhalogen compounds __________.

Isotopes of hydrogen

What noble gas is radioactive?

The reaction between nitrogen dioxide and water is a

Which one of the following is true concerning borax?

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

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

In the following chemical equation Na₃P + 3H₂O → The products (when the equation is balanced)are

KNO₃ and NaNO₃ are also known as __________.

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl₃ or PCl₅ forms depends on

How many oxygen atoms are bonded to each silicon atom in SiO₂?

The oxidation state of silicon in SiO₂^4- is __________.