Question 1

What products are formed from the reaction of Cl2(g) with I-(aq)?

Accepted Answer

A)  ICl 
B)  ICl2 
C)  ICl3 
D)  I2 and Cl- 
E)  I and Cl2- 
A)  ICl 
B)  ICl2 
C)  ICl3 
D)  I2 and Cl- 
E)  I and Cl2-

Question 2

Ozone (O3) and oxygen gas (O2) are examples of

Accepted Answer

A)  isotopes. 
B)  allotropes. 
C)  polymorphs. 
D)  alloys. 
E)  amphoterism. 
A)  isotopes. 
B)  allotropes. 
C)  polymorphs. 
D)  alloys. 
E)  amphoterism.

Question 3

The main commercial source of bromine is

Accepted Answer

A)  silver bromide ore. 
B)  seawater. 
C)  the Frasch process. 
D)  phosphate rock. 
E)  the Ostwald process. 
A)  silver bromide ore. 
B)  seawater. 
C)  the Frasch process. 
D)  phosphate rock. 
E)  the Ostwald process.

Question 4

Binary hydrides contain hydrogen and either a metal or nonmetal.

Accepted Answer

A) True 
 B)False

Question 5

Which of these is isoelectronic with the hydride ion?

Accepted Answer

A)  Hydrogen 
B)  Nitrogen 
C)  Carbon 
D)  Lithium 
E)  Helium 
A)  Hydrogen 
B)  Nitrogen 
C)  Carbon 
D)  Lithium 
E)  Helium

Question 6

Which reaction represents the disproportionation of hydrogen peroxide?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Which is NOT true concerning sulfur?

Accepted Answer

A)  Sulfur reacts with carbon to form a flammable liquid. 
B)  Sulfur reacts with fluorine to form an inert compound. 
C)  Sulfur reacts with oxygen to form a strongly acid oxide. 
D)  Sulfur reacts with hydrogen to form a pungent, foul-smelling gas. 
E)  In its solid elemental form, sulfur exists as an eight-membered ring. 
A)  Sulfur reacts with carbon to form a flammable liquid. 
B)  Sulfur reacts with fluorine to form an inert compound. 
C)  Sulfur reacts with oxygen to form a strongly acid oxide. 
D)  Sulfur reacts with hydrogen to form a pungent, foul-smelling gas. 
E)  In its solid elemental form, sulfur exists as an eight-membered ring.

Question 8

Diamond and graphite are allotropes of ________.

Accepted Answer

The answer of Diamond and graphite are allotropes of ________....

Question 9

Carbon combines with metals to form which of the following ionic compounds?

Accepted Answer

A)  Organo metal complex ions 
B)  Carbides 
C)  Carbonates 
D)  Oxides 
E)  Carbon cannot bond to metals. 
A)  Organo metal complex ions 
B)  Carbides 
C)  Carbonates 
D)  Oxides 
E)  Carbon cannot bond to metals.

Question 10

Which of these hydrides is the most ionic?

Accepted Answer

A)  LiH 
B)  NaH 
C)  CH4 
D)  NH3 
E)  RbH 
A)  LiH 
B)  NaH 
C)  CH4 
D)  NH3 
E)  RbH

Question 11

Which of these is a polar covalent bond?

Accepted Answer

A)  Na-Cl 
B)  Br-Br 
C)  P-Cl 
D)  All of the choices are polar covalent bonds. 
E)  None of these choices is a polar covalent bond. 
A)  Na-Cl 
B)  Br-Br 
C)  P-Cl 
D)  All of the choices are polar covalent bonds. 
E)  None of these choices is a polar covalent bond.

Question 12

Arsenic, As, is

Accepted Answer

A)  an essential element in the human body. 
B)  toxic because it results in an increase in the production of ATP. 
C)  toxic because it binds to the sulfhydryl group in proteins and enzymes. 
D)  used in high concentrations in ancient cosmetics. 
E)  None of these choices is correct. 
A)  an essential element in the human body. 
B)  toxic because it results in an increase in the production of ATP. 
C)  toxic because it binds to the sulfhydryl group in proteins and enzymes. 
D)  used in high concentrations in ancient cosmetics. 
E)  None of these choices is correct.

Question 13

What is one chemical formula of the carbide ion?

Accepted Answer

A)  Si4- 
B)  C2- 
C)  C22- 
D)  CN- 
E)  C3- 
A)  Si4- 
B)  C2- 
C)  C22- 
D)  CN- 
E)  C3-

Question 14

Hydrogen fluoride is used

Accepted Answer

A)  in the manufacture of steel. 
B)  in the synthesis of cryolite for aluminum production. 
C)  as an oxidizing agent. 
D)  as a disinfectant. 
E)  as a mouthwash. 
A)  in the manufacture of steel. 
B)  in the synthesis of cryolite for aluminum production. 
C)  as an oxidizing agent. 
D)  as a disinfectant. 
E)  as a mouthwash.

Question 15

The nitrate anion is

Accepted Answer

A)  a strong acid. 
B)  a strong base. 
C)  amphoteric. 
D)  a strong reducing agent. 
E)  a strong oxidizing agent. 
A)  a strong acid. 
B)  a strong base. 
C)  amphoteric. 
D)  a strong reducing agent. 
E)  a strong oxidizing agent.

Question 16

Chlorine gas is prepared commercially by the

Accepted Answer

A)  electrolysis of carbon tetrachloride. 
B)  oxidation of chloride ion with F2(g). 
C)  electrolysis of NaCl(aq). 
D)  oxidation of chloride ion with Br2(aq). 
E)  electrolysis of AlCl3(aq). 
A)  electrolysis of carbon tetrachloride. 
B)  oxidation of chloride ion with F2(g). 
C)  electrolysis of NaCl(aq). 
D)  oxidation of chloride ion with Br2(aq). 
E)  electrolysis of AlCl3(aq).

Question 17

What is the formal charge on the iodine atom in the iodate ion, IO3-?

Accepted Answer

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

Question 18

Alkali metal hydrides are very reactive with water, forming H2 gas.

Accepted Answer

A) True 
 B)False

Question 19

The acidity of oxides of main group elements increases across a period from left to right.

Accepted Answer

A) True 
 B)False

Question 20

What element is the most abundant by mass in Earth's crust?

Accepted Answer

A)  Fe 
B)  H 
C)  K 
D)  P 
E)  O 
A)  Fe 
B)  H 
C)  K 
D)  P 
E)  O

Exam 25: Organic Chemistry

What products are formed from the reaction of Cl2(g) with I-(aq)?

Ozone (O3) and oxygen gas (O2) are examples of

The main commercial source of bromine is

Binary hydrides contain hydrogen and either a metal or nonmetal.

Which of these is isoelectronic with the hydride ion?

Which reaction represents the disproportionation of hydrogen peroxide?

Which is NOT true concerning sulfur?

Diamond and graphite are allotropes of ________.

Carbon combines with metals to form which of the following ionic compounds?

Which of these hydrides is the most ionic?

Which of these is a polar covalent bond?

Arsenic, As, is

What is one chemical formula of the carbide ion?

Hydrogen fluoride is used

The nitrate anion is

Chlorine gas is prepared commercially by the

What is the formal charge on the iodine atom in the iodate ion, IO3-?

Alkali metal hydrides are very reactive with water, forming H2 gas.

The acidity of oxides of main group elements increases across a period from left to right.

What element is the most abundant by mass in Earth's crust?

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Filters

What products are formed from the reaction of Cl₂(g) with I^-(aq)?

Ozone (O₃) and oxygen gas (O₂) are examples of

What is the formal charge on the iodine atom in the iodate ion, IO₃^-?

Alkali metal hydrides are very reactive with water, forming H₂ gas.