Question 1

Of the following compounds, which is the most stable?

Accepted Answer

A) XeF6 
B) XeOF4 
C) XeO3 
D) XeO2F2 
E) XeF2 
A) XeF6 
B) XeOF4 
C) XeO3 
D) XeO2F2 
E) XeF2

Question 2

What are the three steps in the Ostwald process of nitric acid synthesis?

Accepted Answer

1. oxidation of ammo

Question 3

What are the products of the reaction of PF3 (g)and water?

Accepted Answer

A) phosphorous acid and hydrofluoric acid 
B) elemental phosphorus and hydrofluoric acid 
C) phosphoric acid and fluorine gas 
D) elemental phosphorus and fluorine gas 
E) phosphoric acid and phosphorous acid 
A) phosphorous acid and hydrofluoric acid 
B) elemental phosphorus and hydrofluoric acid 
C) phosphoric acid and fluorine gas 
D) elemental phosphorus and fluorine gas 
E) phosphoric acid and phosphorous acid

Question 4

Hybridization of Xe in XeF4 is __________ and in XeF2 is __________.

Accepted Answer

A) sp3d2, sp3d2 
B) sp3d, sp3d2 
C) sp3d2, sp3d 
D) sp3, sp3d 
E) sp3, sp3d2 
A) sp3d2, sp3d2 
B) sp3d, sp3d2 
C) sp3d2, sp3d 
D) sp3, sp3d 
E) sp3, sp3d2

Question 5

The oxidation number of xenon in XeO2F2 is ________.

Accepted Answer

A) +2 
B) +4 
C) +6 
D) +8 
E) +10 
A) +2 
B) +4 
C) +6 
D) +8 
E) +10

Question 6

Soda-lime glass contains

Accepted Answer

A) SiO2 and aluminum 
B) SiO2, CaO, and Na2O 
C) SiO2, CO2, and citric acid 
D) SiO2, CO2, Na2O 
E) pure SiO2 
A) SiO2 and aluminum 
B) SiO2, CaO, and Na2O 
C) SiO2, CO2, and citric acid 
D) SiO2, CO2, Na2O 
E) pure SiO2

Question 7

Which group 3A element is a metalloid?

Accepted Answer

A) B 
B) Al 
C) Ga 
D) In 
E) Tl 
A) B 
B) Al 
C) Ga 
D) In 
E) Tl

Question 8

The heavier noble gases are more reactive than the lighter ones because

Accepted Answer

A) the lighter noble gases exist as diatomic molecules. 
B) the lighter noble gases have complete octets. 
C) the heavier noble gases are more abundant. 
D) the heavier noble gases have low ionization energies relative to the lighter ones. 
E) the heavier noble gases have greater electron affinities. 
A) the lighter noble gases exist as diatomic molecules. 
B) the lighter noble gases have complete octets. 
C) the heavier noble gases are more abundant. 
D) the heavier noble gases have low ionization energies relative to the lighter ones. 
E) the heavier noble gases have greater electron affinities.

Question 9

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 10

The oxidation number of N in NO2 is __________.

Accepted Answer

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

Question 11

Of the non radioactive halogens which is the largest?

Accepted Answer

The answer of Of the non radioactive halogens which is...

Question 12

In a discussion of oxygen compounds, a disproportionation reaction is __________.

Accepted Answer

a reaction in which

Question 13

D2O is known as __________.

Accepted Answer

Question 14

The dissolution of 1.0 mol of __________ to 1.0 L of water at 25°C would yield the most acidic solution.

Accepted Answer

A) SO3 
B) CO2 
C) CO 
D) MgO 
E) CaO 
A) SO3 
B) CO2 
C) CO 
D) MgO 
E) CaO

Question 15

What is the major commercial source of elemental sulfur?

Accepted Answer

A) sulfide minerals 
B) sulfate minerals 
C) underground deposits of elemental sulfur 
D) seawater 
E) coal and petroleum 
A) sulfide minerals 
B) sulfate minerals 
C) underground deposits of elemental sulfur 
D) seawater 
E) coal and petroleum

Question 16

What is the oxidation state of oxygen in the superoxide ion?

Accepted Answer

The answer of What is the oxidation state of oxygen...

Question 17

A borane is a

Accepted Answer

A) compound containing only boron and oxygen. 
B) compound containing only boron and aluminum. 
C) compound containing only boron and hydrogen. 
D) compound containing only boron and carbon. 
E) three-dimensional covalent network of boron atoms. 
A) compound containing only boron and oxygen. 
B) compound containing only boron and aluminum. 
C) compound containing only boron and hydrogen. 
D) compound containing only boron and carbon. 
E) three-dimensional covalent network of boron atoms.

Question 18

Which element in group 6A is not found as the central atom in compounds with an expanded valence shell?

Accepted Answer

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

Question 19

Replacement of Na2O by K2O in soda-lime glass results in

Accepted Answer

A) opaque glass. 
B) a softer glass with a lower melting point. 
C) glass with a deep blue color. 
D) denser glass with a high refractive index. 
E) a harder glass with a higher melting point. 
A) opaque glass. 
B) a softer glass with a lower melting point. 
C) glass with a deep blue color. 
D) denser glass with a high refractive index. 
E) a harder glass with a higher melting point.

Question 20

Which equation correctly represents the reaction between elemental fluorine and sodium iodide?

Accepted Answer

A) F + NaI → I + NaF 
B) F- + NaI → I- + NaF 
C) F2 + 2NaI → I2 + 2NaF 
D) F + NaI → 1/2I2 + NaF 
E) F2 + NaI → NaF2 + I- 
A) F + NaI → I + NaF 
B) F- + NaI → I- + NaF 
C) F2 + 2NaI → I2 + 2NaF 
D) F + NaI → 1/2I2 + NaF 
E) F2 + NaI → NaF2 + I-

Exam 22: Chemistry of the Nonmetals

Of the following compounds, which is the most stable?

What are the three steps in the Ostwald process of nitric acid synthesis?

What are the products of the reaction of PF3 (g)and water?

Hybridization of Xe in XeF4 is __________ and in XeF2 is __________.

The oxidation number of xenon in XeO2F2 is ________.

Soda-lime glass contains

Which group 3A element is a metalloid?

The heavier noble gases are more reactive than the lighter ones because

A disproportionation reaction is one in which

The oxidation number of N in NO2 is __________.

Of the non radioactive halogens which is the largest?

In a discussion of oxygen compounds, a disproportionation reaction is __________.

D2O is known as __________.

The dissolution of 1.0 mol of __________ to 1.0 L of water at 25°C would yield the most acidic solution.

What is the major commercial source of elemental sulfur?

What is the oxidation state of oxygen in the superoxide ion?

A borane is a

Which element in group 6A is not found as the central atom in compounds with an expanded valence shell?

Replacement of Na2O by K2O in soda-lime glass results in

Which equation correctly represents the reaction between elemental fluorine and sodium iodide?

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

What are the products of the reaction of PF₃ (g)and water?

Hybridization of Xe in XeF₄ is and in XeF₂ is .

The oxidation number of xenon in XeO₂F₂ is ________.

The oxidation number of N in NO₂ is __________.

D₂O is known as __________.

Replacement of Na₂O by K₂O in soda-lime glass results in