Question 1

The oxidation state of chlorine in the ClO- molecule is ________.

Accepted Answer

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

Question 2

Which of the following is an ionic hydride?

Accepted Answer

A) CaH2 
B) C2H4 
C) HCl 
D) NH3 
E) CsOH 
A) CaH2 
B) C2H4 
C) HCl 
D) NH3 
E) CsOH

Question 3

Boric oxide is ________.

Accepted Answer

A) B2O 
B) BO2 
C) BO 
D) B2O3 
E) B2O4 
A) B2O 
B) BO2 
C) BO 
D) B2O3 
E) B2O4

Question 4

D2O,deuterium oxide,is also known as ________.

Accepted Answer

Question 5

In the following chemical equation PCl3 + 3H2O →
The products (when the equation is balanced)are ________.

Accepted Answer

A) H3PO3 + 3HCl 
B) P(OH)3 + 3HCl 
C) H(ClO)3 + PH3 
D) HPCl2 + Cl(OH)3 
E) PO3 + 3HCl 
A) H3PO3 + 3HCl 
B) P(OH)3 + 3HCl 
C) H(ClO)3 + PH3 
D) HPCl2 + Cl(OH)3 
E) PO3 + 3HCl

Question 6

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

Accepted Answer

A) MgH2 
B) C2H2 
C) HF 
D) KH 
E) H2 
A) MgH2 
B) C2H2 
C) HF 
D) KH 
E) H2

Question 7

To produce carbon black,________.

Accepted Answer

A) diamond is exposed to extremely high pressures and temperatures 
B) wood is strongly heated in the absence of oxygen 
C) coal is strongly heated in the absence of oxygen 
D) hydrocarbons such as methane are heated in a very limited supply of oxygen 
E) graphite is cooled to -273 °C 
A) diamond is exposed to extremely high pressures and temperatures 
B) wood is strongly heated in the absence of oxygen 
C) coal is strongly heated in the absence of oxygen 
D) hydrocarbons such as methane are heated in a very limited supply of oxygen 
E) graphite is cooled to -273 °C

Question 8

________ is formed when wood is heated strongly in the absence of air.

Accepted Answer

A) Buckminsterfullerene 
B) Carbon black 
C) Sulfur dioxide 
D) Coke 
E) Charcoal 
A) Buckminsterfullerene 
B) Carbon black 
C) Sulfur dioxide 
D) Coke 
E) Charcoal

Question 9

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 10

An aqueous solution of HF is considered a relatively ________ acid.

Accepted Answer

The answer of An aqueous solution of HF is considered...

Question 11

Which of the following equations correctly represents the reaction of     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 12

What method is used to produce the most hydrogen gas in the United States?

Accepted Answer

A) electrolysis of water 
B) reaction of zinc with acid 
C) reaction of methane with steam 
D) reaction of coke (carbon)with steam 
E) reaction of metallic sodium with water 
A) electrolysis of water 
B) reaction of zinc with acid 
C) reaction of methane with steam 
D) reaction of coke (carbon)with steam 
E) reaction of metallic sodium with water

Question 13

The electrical conductivity of ________ is low in the dark,but increases on exposure to light.

Accepted Answer

The answer of The electrical conductivity of ________ is low...

Question 14

The danger from mixing ammonia with bleach is the production of ________.

Accepted Answer

The answer of The danger from mixing ammonia with bleach...

Question 15

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 16

The primary commercial use of elemental nitrogen is in the manufacture of ________.

Accepted Answer

A) plastics 
B) explosives 
C) nitrogen-containing fertilizers 
D) rubber 
E) chlorine bleach 
A) plastics 
B) explosives 
C) nitrogen-containing fertilizers 
D) rubber 
E) chlorine bleach

Question 17

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 18

Which element in group 7A is not capable of having an expanded valence shell?

Accepted Answer

A) astatine 
B) fluorine 
C) chlorine 
D) bromine 
E) iodine 
A) astatine 
B) fluorine 
C) chlorine 
D) bromine 
E) iodine

Question 19

In a hypohalous acid,the oxidation state of the halogen is ________.

Accepted Answer

The answer of In a hypohalous acid,the oxidation state of...

Question 20

The most stable allotrope of oxygen is ________.

Accepted Answer

A) H2O 
B) O3 
C) O2 
D) HClO 
E) O 
A) H2O 
B) O3 
C) O2 
D) HClO 
E) O

Exam 22: Chemistry of the Nonmetals

The oxidation state of chlorine in the ClO- molecule is ________.

Which of the following is an ionic hydride?

Boric oxide is ________.

D2O,deuterium oxide,is also known as ________.

In the following chemical equation PCl3 + 3H2O → The products (when the equation is balanced)are ________.

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

To produce carbon black,________.

________ is formed when wood is heated strongly in the absence of air.

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

An aqueous solution of HF is considered a relatively ________ acid.

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

What method is used to produce the most hydrogen gas in the United States?

The electrical conductivity of ________ is low in the dark,but increases on exposure to light.

The danger from mixing ammonia with bleach is the production of ________.

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

The primary commercial use of elemental nitrogen is in the manufacture of ________.

The Haber process is used to make ________ from ________.

Which element in group 7A is not capable of having an expanded valence shell?

In a hypohalous acid,the oxidation state of the halogen is ________.

The most stable allotrope of oxygen is ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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 chlorine in the ClO^- molecule is ________.

D₂O,deuterium oxide,is also known as ________.

In the following chemical equation PCl₃ + 3H₂O → The products (when the equation is balanced)are ________.

The Haber process is used to make from .