Question 1

Which of the following bases is the strongest base?

Accepted Answer

A)  ammonia, Kb = 1.7 × 10-5 
B)  aniline, Kb = 4.2 × 10-10 
C)  trimethylamine, Kb = 7.4 × 10-5 
D)  methylamine, Kb = 4.4 × 10-4 
A)  ammonia, Kb = 1.7 × 10-5 
B)  aniline, Kb = 4.2 × 10-10 
C)  trimethylamine, Kb = 7.4 × 10-5 
D)  methylamine, Kb = 4.4 × 10-4

Question 2

The pH of diabetic patients can be as low as ________.

Accepted Answer

A)  3.2 
B)  5.8 
C)  6.8 
D)  7.0 
A)  3.2 
B)  5.8 
C)  6.8 
D)  7.0

Question 3

Identify the household products as acidic or basic.
-Coffee

Accepted Answer

A) Acidic 
B) Basic 
A) Acidic 
B) Basic

Question 4

Identify the household products as acidic or basic.
-Rainwater that falls in industrial areas

Accepted Answer

A) Acidic 
B) Basic 
A) Acidic 
B) Basic

Question 5

Carbonic acid, phosphoric acid, and sulfuric acid can produce two H₃O+ ions per molecule of acid when dissolved in water.

Accepted Answer

A) True 
 B)False

Question 6

What is the hydroxide-ion concentration of an aqueous solution having a pH of 4.72?

Accepted Answer

A)  4.72 × 10-5 mol/L 
B)  1.91 × 10-14 mol/L 
C)  5.25 × 10-10 mol/L 
D)  1.91 × 10-5 mol/L 
A)  4.72 × 10-5 mol/L 
B)  1.91 × 10-14 mol/L 
C)  5.25 × 10-10 mol/L 
D)  1.91 × 10-5 mol/L

Question 7

Acidic solutions ________.

Accepted Answer

A)  have a higher concentration of hydronium ions than hydroxide ions 
B)  have a lower concentration of hydronium ions than hydroxide ions 
C)  turn red litmus paper to blue 
D)  colorize phenolphthalein solutions 
A)  have a higher concentration of hydronium ions than hydroxide ions 
B)  have a lower concentration of hydronium ions than hydroxide ions 
C)  turn red litmus paper to blue 
D)  colorize phenolphthalein solutions

Question 8

Acetic acid is a diprotic acid.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following compounds is the weakest acid?

Accepted Answer

A)  acetic acid, Ka = 1.8 × 10-5 
B)  nitrous acid, Ka = 4.5 × 10-4 
C)  hydrogen peroxide, Ka = 2.4 × 10-12 
D)  hypochlorous acid, Ka = 3.5 × 10-8 
A)  acetic acid, Ka = 1.8 × 10-5 
B)  nitrous acid, Ka = 4.5 × 10-4 
C)  hydrogen peroxide, Ka = 2.4 × 10-12 
D)  hypochlorous acid, Ka = 3.5 × 10-8

Question 10

Which of the following bases produces only one OH- ion per molecule of formula unit when dissolved in water?

Accepted Answer

A)  potassium hydroxide 
B)  calcium hydroxide 
C)  aluminum hydroxide 
D)  barium hydroxide 
A)  potassium hydroxide 
B)  calcium hydroxide 
C)  aluminum hydroxide 
D)  barium hydroxide

Question 11

Which of the following acids could be considered an Arrhenius acid?

Accepted Answer

A)  HCl 
B)  CH3COOH 
C)  NH4+ 
D)  All of the above are Arrhenius acids. 
A)  HCl 
B)  CH3COOH 
C)  NH4+ 
D)  All of the above are Arrhenius acids.

Question 12

Match each of the acids with the maximum number of H?O+ produced per molecule of acid.
-acetic acid

Accepted Answer

A) 3 
B) 1 
C) 2 
A) 3 
B) 1 
C) 2

Question 13

Match each substance with its corresponding fact.
-H?SO?

Accepted Answer

A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-. 
A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-.

Question 14

Match each substance with its corresponding fact.
-Cl-

Accepted Answer

A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-. 
A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-.

Question 15

Sulfuric acid is a diprotic acid.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following compounds is an electrolyte when dissolved in distilled water?

Accepted Answer

A)  ethyl alcohol 
B)  sucrose 
C)  sodium sulfate 
D)  oxygen 
A)  ethyl alcohol 
B)  sucrose 
C)  sodium sulfate 
D)  oxygen

Question 17

Hydrochloric, hypochlorous and hydrobromic acids produce only one H₃O+ ion per molecule of acid when dissolved in water.

Accepted Answer

A) True 
 B)False

Question 18

The autodissociation of water gives pure water a pH of 4 and thus a higher concentration of     than   .

Accepted Answer

A) True 
 B)False

Question 19

Match each substance with its corresponding fact.
-H?CO?

Accepted Answer

A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-. 
A) It is the conjugate base of CH?CO?H. 
B) It does not have a conjugate base. 
C) It is the conjugate acid of HCO?-. 
D) Its conjugate acid is HSO?-. 
E) Its conjugate base is CO?2-.
F)Its conjugate base is HSO?-.

Question 20

Match each of the acids with the maximum number of H?O+ produced per molecule of acid.
-phosphoric acid

Accepted Answer

A) 3 
B) 1 
C) 2 
A) 3 
B) 1 
C) 2

Which of the following bases is the strongest base?

The pH of diabetic patients can be as low as ________.

Identify the household products as acidic or basic. -Coffee

Identify the household products as acidic or basic. -Rainwater that falls in industrial areas

Carbonic acid, phosphoric acid, and sulfuric acid can produce two H₃O+ ions per molecule of acid when dissolved in water.

What is the hydroxide-ion concentration of an aqueous solution having a pH of 4.72?

Acidic solutions ________.

Acetic acid is a diprotic acid.

Which of the following compounds is the weakest acid?

Which of the following bases produces only one OH- ion per molecule of formula unit when dissolved in water?

Which of the following acids could be considered an Arrhenius acid?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -acetic acid

Match each substance with its corresponding fact. -H?SO?

Match each substance with its corresponding fact. -Cl-

Sulfuric acid is a diprotic acid.

Which of the following compounds is an electrolyte when dissolved in distilled water?

Hydrochloric, hypochlorous and hydrobromic acids produce only one H₃O+ ion per molecule of acid when dissolved in water.

The autodissociation of water gives pure water a pH of 4 and thus a higher concentration of than .

Match each substance with its corresponding fact. -H?CO?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -phosphoric acid

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 15: Electrolytes, Acids, and Bases

Which of the following bases is the strongest base?

The pH of diabetic patients can be as low as ________.

Identify the household products as acidic or basic. -Coffee

Identify the household products as acidic or basic. -Rainwater that falls in industrial areas

Carbonic acid, phosphoric acid, and sulfuric acid can produce two H₃O+ ions per molecule of acid when dissolved in water.

What is the hydroxide-ion concentration of an aqueous solution having a pH of 4.72?

Acidic solutions ________.

Acetic acid is a diprotic acid.

Which of the following compounds is the weakest acid?

Which of the following bases produces only one OH- ion per molecule of formula unit when dissolved in water?

Which of the following acids could be considered an Arrhenius acid?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -acetic acid

Match each substance with its corresponding fact. -H?SO?

Match each substance with its corresponding fact. -Cl-

Sulfuric acid is a diprotic acid.

Which of the following compounds is an electrolyte when dissolved in distilled water?

Hydrochloric, hypochlorous and hydrobromic acids produce only one H₃O+ ion per molecule of acid when dissolved in water.

The autodissociation of water gives pure water a pH of 4 and thus a higher concentration of than .

Match each substance with its corresponding fact. -H?CO?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -phosphoric acid

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters