Question 1

Which of the following would produce an acidic solution?

Accepted Answer

A) Na2O and MgO 
B) Na2O, MgO, and BeH2 
C) CO2 only 
D) BeH2 only 
E) CO, CO2, and BeH2 
A) Na2O and MgO 
B) Na2O, MgO, and BeH2 
C) CO2 only 
D) BeH2 only 
E) CO, CO2, and BeH2

Question 2

Which halogen is the most easily oxidized?

Accepted Answer

A) F 
B) Cl 
C) Br 
D) I 
A) F 
B) Cl 
C) Br 
D) I

Question 3

The oxidation state of phosphorous in the PF5 molecule is ________.

Accepted Answer

A) +5 
B) +4 
C) -5 
D) +6 
E) 0 
A) +5 
B) +4 
C) -5 
D) +6 
E) 0

Question 4

The molecular shape of the SF2 molecule is ________.

Accepted Answer

A) bent 
B) tetrahedral 
C) linear 
D) trigonal planar 
E) trigonal pyramidal 
A) bent 
B) tetrahedral 
C) linear 
D) trigonal planar 
E) trigonal pyramidal

Question 5

Most mined phosphate rock is ________.

Accepted Answer

A) used as a strong acid 
B) used as a reducing agent 
C) used as a detergent 
D) converted to fertilizer 
E) discarded as a by-product 
A) used as a strong acid 
B) used as a reducing agent 
C) used as a detergent 
D) converted to fertilizer 
E) discarded as a by-product

Question 6

The interhalogen compound ICl3 can form but BrCl3 cannot form. This is because ________.

Accepted Answer

A) iodine is large enough to accommodate three chlorine atoms around itself 
B) bromine is not electronegative enough to react with chlorine 
C) bromine is too electronegative to react with chlorine 
D) iodine can have a positive oxidation state but bromine cannot 
E) iodine can have a negative oxidation state but bromine cannot 
A) iodine is large enough to accommodate three chlorine atoms around itself 
B) bromine is not electronegative enough to react with chlorine 
C) bromine is too electronegative to react with chlorine 
D) iodine can have a positive oxidation state but bromine cannot 
E) iodine can have a negative oxidation state but bromine cannot

Question 7

The balanced equation for the production of ethylene from calcium carbide is ________.

Accepted Answer

CaC₂ + 2H2O

Question 8

Which of the following equations correctly represents the reaction of B2H6 with oxygen?

Accepted Answer

A) B2H6 (g) + 3O2 (g) → B2O3 (s) + 3H2O (g) 
B) B2H6 (g) + O2 (g) → B2O2 (s) + 3H2 (g) 
C) B2H6 (g) + 2O2 (g) → B2H2 (s) + 2H2O2 (aq) 
D) B2H6 (g) + 2O2 (g) → B2O2 (s) + 3H2 + O2 (g) 
E) B2H6 (g) + O2 (g) → H2B2O2 (s) + 2H2 (g) 
A) B2H6 (g) + 3O2 (g) → B2O3 (s) + 3H2O (g) 
B) B2H6 (g) + O2 (g) → B2O2 (s) + 3H2 (g) 
C) B2H6 (g) + 2O2 (g) → B2H2 (s) + 2H2O2 (aq) 
D) B2H6 (g) + 2O2 (g) → B2O2 (s) + 3H2 + O2 (g) 
E) B2H6 (g) + O2 (g) → H2B2O2 (s) + 2H2 (g)

Question 9

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 10

Which of the following is the nitride ion?

Accepted Answer

A) N3- 
B) N3- 
C) NO3- 
D) N- 
E) NO2- 
A) N3- 
B) N3- 
C) NO3- 
D) N- 
E) NO2-

Question 11

The primary commercial use of nitric acid is ________.

Accepted Answer

A) in the manufacture of plastics 
B) in the manufacture of explosives 
C) in pool water maintenance 
D) in the manufacture of fertilizers 
E) in the manufacture of anti-depressant drugs 
A) in the manufacture of plastics 
B) in the manufacture of explosives 
C) in pool water maintenance 
D) in the manufacture of fertilizers 
E) in the manufacture of anti-depressant drugs

Question 12

How are the oxygen-containing compounds of xenon made?

Accepted Answer

A) by direct combination of the elements 
B) by reaction of xenon with peroxide 
C) by thermal decomposition of the xenon hydroxide 
D) by reaction of the corresponding xenon fluoride with water 
E) Xenon is inert and does not form compounds with oxygen. 
A) by direct combination of the elements 
B) by reaction of xenon with peroxide 
C) by thermal decomposition of the xenon hydroxide 
D) by reaction of the corresponding xenon fluoride with water 
E) Xenon is inert and does not form compounds with oxygen.

Question 13

Calcium carbide is a solid source of acetylene.

Accepted Answer

A) True 
 B)False

Question 14

Which one of the following is false concerning buckminsterfullerene?

Accepted Answer

A) It is the most recently discovered crystalline allotrope of carbon. 
B) It consists of individual molecules like C60 and C70. 
C) It is a molecular form of carbon. 
D) It is made up of Cl2 molecules. 
E) It is made up of molecules that resemble soccer balls. 
A) It is the most recently discovered crystalline allotrope of carbon. 
B) It consists of individual molecules like C60 and C70. 
C) It is a molecular form of carbon. 
D) It is made up of Cl2 molecules. 
E) It is made up of molecules that resemble soccer balls.

Question 15

Briefly explain why carbon and silicon can form oxides with such different physical properties, gaseous CO2 and solid SiO2.

Accepted Answer

Carbon atoms are small enough to form π

Question 16

Replacement of CaO by PbO in soda-lime glass results in ________.

Accepted Answer

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

Question 17

Silicones can be oils or rubber-like materials depending on ________.

Accepted Answer

A) the silicon-to-oxygen ratio 
B) the length of the chain and degree of cross-linking 
C) the percentage of carbon in the chain 
D) the percentage of sulfur in the chain 
E) the oxidation state of silicon in the chain 
A) the silicon-to-oxygen ratio 
B) the length of the chain and degree of cross-linking 
C) the percentage of carbon in the chain 
D) the percentage of sulfur in the chain 
E) the oxidation state of silicon in the chain

Question 18

Of the atoms below, ________ is the most effective in forming π bonds.

Accepted Answer

A) C 
B) P 
C) N 
D) Si 
E) Ge 
A) C 
B) P 
C) N 
D) Si 
E) Ge

Question 19

Air containing 4% H2 can be explosive.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 22: Chemistry of the Nonmetals

Which of the following would produce an acidic solution?

Which halogen is the most easily oxidized?

The oxidation state of phosphorous in the PF5 molecule is ________.

The molecular shape of the SF2 molecule is ________.

Most mined phosphate rock is ________.

The interhalogen compound ICl3 can form but BrCl3 cannot form. This is because ________.

The balanced equation for the production of ethylene from calcium carbide is ________.

Which of the following equations correctly represents the reaction of B2H6 with oxygen?

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

Which of the following is the nitride ion?

The primary commercial use of nitric acid is ________.

How are the oxygen-containing compounds of xenon made?

Calcium carbide is a solid source of acetylene.

Which one of the following is false concerning buckminsterfullerene?

Briefly explain why carbon and silicon can form oxides with such different physical properties, gaseous CO2 and solid SiO2.

Replacement of CaO by PbO in soda-lime glass results in ________.

Silicones can be oils or rubber-like materials depending on ________.

Of the atoms below, ________ is the most effective in forming π bonds.

Air containing 4% H2 can be explosive.

A borane is a ________.

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

The oxidation state of phosphorous in the PF₅ molecule is ________.

The molecular shape of the SF₂ molecule is ________.

The interhalogen compound ICl₃ can form but BrCl₃cannot form. This is because ________.

Which of the following equations correctly represents the reaction of B₂H₆ with oxygen?

Hybridization of Xe in XeF₄ is and in XeF₂ is .

Briefly explain why carbon and silicon can form oxides with such different physical properties, gaseous CO₂and solid SiO₂.

Air containing 4% H₂ can be explosive.