Question 1

A disproportionation reaction is one in which ________.

Accepted Answer

A) a single element is both oxidized and reduced 
B) a compound is separated into its constituent elements 
C) the ratio of combination of two elements in a compound changes 
D) aqueous ions combine to form an insoluble salt 
E) an insoluble salt separates into ions 
A) a single element is both oxidized and reduced 
B) a compound is separated into its constituent elements 
C) the ratio of combination of two elements in a compound changes 
D) aqueous ions combine to form an insoluble salt 
E) an insoluble salt separates into ions

Question 2

Br2 can be prepared by combining NaBr with ________.

Accepted Answer

A) Cl2 
B) HBr 
C) HCl 
D) NaCl 
E) I2 
A) Cl2 
B) HBr 
C) HCl 
D) NaCl 
E) I2

Question 3

In a proton transfer reaction the weaker a Br∅nsted-Lowry acid the ________ is its conjugate.

Accepted Answer

The answer of In a proton transfer reaction the weaker...

Question 4

The oxidation number of N in HNO2 is ________.

Accepted Answer

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

Question 5

Of the nonradioactive halogens, which is the largest?

Accepted Answer

The answer of Of the nonradioactive halogens, which is the...

Question 6

In metallic hydrides, the oxidation number of hydrogen is considered to be ________.

Accepted Answer

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

Question 7

Which one of the following compounds is peroxide?

Accepted Answer

A) Li2O2 
B) Li2O 
C) LiO2 
D) both Li2O2 and LiO2 
E) H2O 
A) Li2O2 
B) Li2O 
C) LiO2 
D) both Li2O2 and LiO2 
E) H2O

Question 8

I am a highly polar, strongly hydrogen-bonded liquid with a density of 1.47 g/cm3. I can decompose to form O2. Who am I?

Accepted Answer

Question 9

What is the primary commercial use of hydrogen in the United States?

Accepted Answer

A) as a rocket fuel, especially on the space shuttle 
B) hydrogenation of vegetable oils 
C) manufacture of methanol 
D) manufacture of ammonia by the Haber process 
E) as an automobile fuel 
A) as a rocket fuel, especially on the space shuttle 
B) hydrogenation of vegetable oils 
C) manufacture of methanol 
D) manufacture of ammonia by the Haber process 
E) as an automobile fuel

Question 10

What effect does substitution of K2O for Na2O in making soda-lime glass have in its properties?

Accepted Answer

increases

Question 11

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 12

The compound whose formula is CaC2 is ________.

Accepted Answer

A) calcium carbide 
B) carborundum 
C) carbon calcide 
D) calcium dicarbon 
E) limestone 
A) calcium carbide 
B) carborundum 
C) carbon calcide 
D) calcium dicarbon 
E) limestone

Question 13

Xenon can have oxidation states of 2, 4, 6, and 8.

Accepted Answer

A) True 
 B)False

Question 14

Which compound would produce a basic aqueous solution?

Accepted Answer

A) KH 
B) H2S 
C) C2H6 
D) CH3OH 
E) H2O 
A) KH 
B) H2S 
C) C2H6 
D) CH3OH 
E) H2O

Question 15

The Haber process is used to make ________ from ________.

Accepted Answer

A) HNO3, N2 
B) O2, KClO3 
C) NH3, N2 
D) NO2, O2 
E) NO, N2 
A) HNO3, N2 
B) O2, KClO3 
C) NH3, N2 
D) NO2, O2 
E) NO, N2

Question 16

The acid and salts of which halogen-oxyanion are the most stable?

Accepted Answer

The answer of The acid and salts of which halogen-oxyanion...

Question 17

What is the oxidation state of xenon in XeO2F2?

Accepted Answer

A) 0 
B) +4 
C) +8 
D) +2 
E) +6 
A) 0 
B) +4 
C) +8 
D) +2 
E) +6

Question 18

Which elemental halogen(s)can be used to prepare I2 from NaI?

Accepted Answer

A) F2 only 
B) Cl2 only 
C) Br2 only 
D) both Cl2 and Br2, but not F2 
E) F2, Cl2, and Br2 
A) F2 only 
B) Cl2 only 
C) Br2 only 
D) both Cl2 and Br2, but not F2 
E) F2, Cl2, and Br2

Question 19

Which pair of formula/name is incorrect?

Accepted Answer

A) NO2 / dinitrogen oxide 
B) N2O / nitrous oxide 
C) NO / nitric oxide 
D) N2O4 / dinitrogen tetroxide 
E) N2O5 / dinitrogen pentoxide 
A) NO2 / dinitrogen oxide 
B) N2O / nitrous oxide 
C) NO / nitric oxide 
D) N2O4 / dinitrogen tetroxide 
E) N2O5 / dinitrogen pentoxide

Question 20

Of the following, the most nonmetallic element is ________.

Accepted Answer

A) Cl 
B) S 
C) P 
D) Br 
E) Se 
A) Cl 
B) S 
C) P 
D) Br 
E) Se

Exam 22: Chemistry of the Nonmetals

A disproportionation reaction is one in which ________.

Br2 can be prepared by combining NaBr with ________.

In a proton transfer reaction the weaker a Br∅nsted-Lowry acid the ________ is its conjugate.

The oxidation number of N in HNO2 is ________.

Of the nonradioactive halogens, which is the largest?

In metallic hydrides, the oxidation number of hydrogen is considered to be ________.

Which one of the following compounds is peroxide?

I am a highly polar, strongly hydrogen-bonded liquid with a density of 1.47 g/cm3. I can decompose to form O2. Who am I?

What is the primary commercial use of hydrogen in the United States?

What effect does substitution of K2O for Na2O in making soda-lime glass have in its properties?

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

The compound whose formula is CaC2 is ________.

Xenon can have oxidation states of 2, 4, 6, and 8.

Which compound would produce a basic aqueous solution?

The Haber process is used to make ________ from ________.

The acid and salts of which halogen-oxyanion are the most stable?

What is the oxidation state of xenon in XeO2F2?

Which elemental halogen(s)can be used to prepare I2 from NaI?

Which pair of formula/name is incorrect?

Of the following, the most nonmetallic element is ________.

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

Br₂ can be prepared by combining NaBr with ________.

The oxidation number of N in HNO₂ is ________.

I am a highly polar, strongly hydrogen-bonded liquid with a density of 1.47 g/cm³. I can decompose to form O₂. Who am I?

What effect does substitution of K₂O for Na₂O in making soda-lime glass have in its properties?

The compound whose formula is CaC₂ is ________.

The Haber process is used to make from .

What is the oxidation state of xenon in XeO₂F₂?

Which elemental halogen(s)can be used to prepare I₂ from NaI?