Question 1

Which of these statements is true?

Accepted Answer

A) All Brønsted-Lowry acids and bases are also Arrhenius acids and bases 
B) All Lewis acids are Brønsted-Lowry acids 
C) All Brønsted-Lowry acids and bases are stronger than Arrhenius acids and bases 
D) All Arrhenius acids and bases are also Brønsted-Lowry acids and bases 
E) There is no relationship between Brønsted-Lowry acids and bases and Lewis acids and bases 
A) All Brønsted-Lowry acids and bases are also Arrhenius acids and bases 
B) All Lewis acids are Brønsted-Lowry acids 
C) All Brønsted-Lowry acids and bases are stronger than Arrhenius acids and bases 
D) All Arrhenius acids and bases are also Brønsted-Lowry acids and bases 
E) There is no relationship between Brønsted-Lowry acids and bases and Lewis acids and bases D

Question 2

A solution is made by dissolving 0.0010 mole KOH in enough water to make 1.00 liter of solution.What are the pH and the pOH of the solution?

Accepted Answer

A) pH = 3, pOH = 11 
B) pH = 3, pOH = 3 
C) pH = -11, pOH = -3 
D) pH = 11, pOH = 3 
E) pH = 10-11, pOH = 10-3 
A) pH = 3, pOH = 11 
B) pH = 3, pOH = 3 
C) pH = -11, pOH = -3 
D) pH = 11, pOH = 3 
E) pH = 10-11, pOH = 10-3 D

Question 3

A pH meter is used to test the pH of a solution.See the figure below.   How is the solution classified?

Accepted Answer

A) neutral 
B) acidic 
C) basic 
A) neutral 
B) acidic 
C) basic B

Question 4

Given the following relative acid strengths,starting with the weakest: HCO3- 3 < HBr,what is the relative strength of each conjugate base,starting with the weakest?

Accepted Answer

A) CO32- 3- - 
B) Br- 32- 3- 
C) NO3- - 32- 
D) Br- 3-32- 
E) CO32- - 3- 
A) CO32- 3- - 
B) Br- 32- 3- 
C) NO3- - 32- 
D) Br- 3-32- 
E) CO32- - 3-

Question 5

Which of the following statements is incorrect ?
i.Kw = [H+][OH-] = 1.0 × 10-14 at 25°C.
ii.Water or water solutions in which [H+] = [OH-] = 10-7 M are neutral solutions,neither acidic nor basic.
iii.A solution in which [H+] > [OH-] is basic
iv.A solution in which [OH- ] > [H+] is acidic

Accepted Answer

A) i and ii 
B) iii and iv 
C) ii, iii, and iv 
D) All statements are correct 
E) All statements are incorrect 
A) i and ii 
B) iii and iv 
C) ii, iii, and iv 
D) All statements are correct 
E) All statements are incorrect

Question 6

What is the conjugate base of H3C6H5O7?

Accepted Answer

A) C6H5O73- 
B) H2C6H5O7- 
C) H3C6H5O7- 
D) H4C6H5O7+ 
E) H3C6H5O7(OH)- 
A) C6H5O73- 
B) H2C6H5O7- 
C) H3C6H5O7- 
D) H4C6H5O7+ 
E) H3C6H5O7(OH)-

Question 7

Which of the following statements is incorrect?

Accepted Answer

A) Acid-base reactions involve a transfer of protons; redox reactions, a transfer of electrons 
B) In both redox and acid-base reactions, the reactants are given special names to indicate their roles in the transfer process 
C) Just as certain species can either donate or accept protons and thereby behave as an acid in one reaction and a base in another, certain species can either accept or donate electrons, acting as an oxidizing agent in one reaction and a reducing agent in another 
D) Just as acids and bases may be classified as "strong" or "weak" depending on how readily they donate or accept protons, the strengths of oxidizing and reducing agents may be compared according to their tendencies to attract or release electrons 
E) Unlike most acid-base reactions in solution, which reach a state of equilibrium, most aqueous redox reactions do not reach a state of equilibrium and proceed entirely either in the forward or reverse direction 
A) Acid-base reactions involve a transfer of protons; redox reactions, a transfer of electrons 
B) In both redox and acid-base reactions, the reactants are given special names to indicate their roles in the transfer process 
C) Just as certain species can either donate or accept protons and thereby behave as an acid in one reaction and a base in another, certain species can either accept or donate electrons, acting as an oxidizing agent in one reaction and a reducing agent in another 
D) Just as acids and bases may be classified as "strong" or "weak" depending on how readily they donate or accept protons, the strengths of oxidizing and reducing agents may be compared according to their tendencies to attract or release electrons 
E) Unlike most acid-base reactions in solution, which reach a state of equilibrium, most aqueous redox reactions do not reach a state of equilibrium and proceed entirely either in the forward or reverse direction

Question 8

A water solution is considered acidic when what is true?

Accepted Answer

A) [H+] = [OH-] 
B) [H+] -] 
C) [OH- ] > [H+] 
D) [H+] > [OH-] 
E) [H+] = Kw 
A) [H+] = [OH-] 
B) [H+] -] 
C) [OH- ] > [H+] 
D) [H+] > [OH-] 
E) [H+] = Kw

Question 9

Given the following acid strengths: HF > H2S > HCN,which of the following reactions is predicted to occur from left to right as written?

Accepted Answer

A) HCN(aq) + H2S(aq) → H3S(aq) + CN-(aq) 
B) HCN(aq) + F-(aq) → HF(aq) + CN-(aq) 
C) HF(aq) + CN-(aq) → HCN(aq) + F-(aq) 
D) H2S(aq) + F-(aq) → HF(aq) + HS-(aq) 
E) H2S(aq) + HF(aq) → H2F+(aq) + HS-(aq) 
A) HCN(aq) + H2S(aq) → H3S(aq) + CN-(aq) 
B) HCN(aq) + F-(aq) → HF(aq) + CN-(aq) 
C) HF(aq) + CN-(aq) → HCN(aq) + F-(aq) 
D) H2S(aq) + F-(aq) → HF(aq) + HS-(aq) 
E) H2S(aq) + HF(aq) → H2F+(aq) + HS-(aq)

Question 10

Which of the following is not capable of acting like a Brønsted-Lowry base?

Accepted Answer

A) H2O(   ) 
B) NH4+ ion 
C) Cl- ion 
D) HNO3(aq) 
E) H2PO4-(aq) 
A) H2O(   ) 
B) NH4+ ion 
C) Cl- ion 
D) HNO3(aq) 
E) H2PO4-(aq)

Question 11

What is the hydroxide ion concentration in a solution with pH = 3?

Accepted Answer

A) 10-3 M 
B) 11 M 
C) 10-11 M 
D) 3 M 
E) 1011 M 
A) 10-3 M 
B) 11 M 
C) 10-11 M 
D) 3 M 
E) 1011 M

Question 12

What is the pH of a solution if [H+] = 3.1 × 10-4 molar?

Accepted Answer

A) pH = 4.31 
B) pH = 10.49 
C) pH = -9.69 
D) pH = -3.51 
E) pH = 3.51 
A) pH = 4.31 
B) pH = 10.49 
C) pH = -9.69 
D) pH = -3.51 
E) pH = 3.51

Question 13

What is the conjugate base of water?

Accepted Answer

A) HCl(aq) 
B) H3O+(aq) 
C) OH-(aq) 
D) H+ ion 
E) H2O(   ) 
A) HCl(aq) 
B) H3O+(aq) 
C) OH-(aq) 
D) H+ ion 
E) H2O(   )

Question 14

Identify the conjugate acid base pairs in the reaction H2SO4 + HNO3 → H2NO3+ + HSO4-.

Accepted Answer

A) H2SO4/HSO4- and H2NO3+/HNO3 
B) H2SO4/HNO3 and H2NO3+/HSO4- 
C) HNO3/HSO4- and H2SO4/H2NO3+ 
D) HNO3/NO3- and HSO4-/SO42- 
E) HNO3/H2SO4 and H2NO3+/HSO4- 
A) H2SO4/HSO4- and H2NO3+/HNO3 
B) H2SO4/HNO3 and H2NO3+/HSO4- 
C) HNO3/HSO4- and H2SO4/H2NO3+ 
D) HNO3/NO3- and HSO4-/SO42- 
E) HNO3/H2SO4 and H2NO3+/HSO4-

Question 15

Consider the following image.   Based on the reading,what is the hydrogen ion concentration in this solution?

Accepted Answer

A) 0.100 M 
B) 0.00010 M 
C) 1.0 × 10-10 M 
D) zero 
E) 10.00 M 
A) 0.100 M 
B) 0.00010 M 
C) 1.0 × 10-10 M 
D) zero 
E) 10.00 M

Question 16

Which of the following substances is amphoteric?

Accepted Answer

A) H2O(   ) 
B) CO32- ion 
C) NH4+ ion 
D) H3PO4 
E) NaOH(aq) 
A) H2O(   ) 
B) CO32- ion 
C) NH4+ ion 
D) H3PO4 
E) NaOH(aq)

Question 17

Which of the following is a Brønsted-Lowry base but not an Arrhenius base?

Accepted Answer

A) HSO3-(aq) 
B) NaOH(s) 
C) NH4+(aq) 
D) Al(OH)3(s) 
E) NH4OH(aq) 
A) HSO3-(aq) 
B) NaOH(s) 
C) NH4+(aq) 
D) Al(OH)3(s) 
E) NH4OH(aq)

Question 18

Which of the following properties is traditionally associated with Arrhenius bases?

Accepted Answer

A) They cause blue litmus indicator to turn red 
B) They form precipitates with solutions of most metals 
C) They react with carbonates to release CO2 
D) They release hydrogen when zinc is added 
E) They contain hydronium ions 
A) They cause blue litmus indicator to turn red 
B) They form precipitates with solutions of most metals 
C) They react with carbonates to release CO2 
D) They release hydrogen when zinc is added 
E) They contain hydronium ions

Question 19

Consider the following image which depicts the reactants in an acid-base reaction.Atoms other than H are labeled with the element symbol.   
The products of this reaction are shown below.   
Which of the following is a correct interpretation of this reaction?

Accepted Answer

A) 1 is a Brønsted-Lowry acid. 
B) 2 is a Brønsted-Lowry base. 
C) The reaction is an acid-base neutralization. 
D) 1 is also an Arrhenius acid. 
E) All of the above are correct interpretations of this reaction. 
A) 1 is a Brønsted-Lowry acid. 
B) 2 is a Brønsted-Lowry base. 
C) The reaction is an acid-base neutralization. 
D) 1 is also an Arrhenius acid. 
E) All of the above are correct interpretations of this reaction.

Question 20

The hydroxide ion concentration of a solution is 0.00001 moles per liter.What is the hydrogen ion concentration,and is the solution acidic or basic?

Accepted Answer

A) 10-10, acidic 
B) 10-9, acidic 
C) 10-5, acidic 
D) 10-5, basic 
E) 10-9, basic 
A) 10-10, acidic 
B) 10-9, acidic 
C) 10-5, acidic 
D) 10-5, basic 
E) 10-9, basic

Which of these statements is true?

A solution is made by dissolving 0.0010 mole KOH in enough water to make 1.00 liter of solution.What are the pH and the pOH of the solution?

A pH meter is used to test the pH of a solution.See the figure below. How is the solution classified?

Given the following relative acid strengths,starting with the weakest: HCO₃^- < HNO₃ < HBr,what is the relative strength of each conjugate base,starting with the weakest?

What is the conjugate base of H₃C₆H₅O₇?

Which of the following statements is incorrect?

A water solution is considered acidic when what is true?

Given the following acid strengths: HF > H₂S > HCN,which of the following reactions is predicted to occur from left to right as written?

Which of the following is not capable of acting like a Brønsted-Lowry base?

What is the hydroxide ion concentration in a solution with pH = 3?

What is the pH of a solution if [H⁺] = 3.1 × 10^-4 molar?

What is the conjugate base of water?

Identify the conjugate acid base pairs in the reaction H₂SO₄ + HNO₃ → H₂NO₃⁺ + HSO₄^-.

Consider the following image. Based on the reading,what is the hydrogen ion concentration in this solution?

Which of the following substances is amphoteric?

Which of the following is a Brønsted-Lowry base but not an Arrhenius base?

Which of the following properties is traditionally associated with Arrhenius bases?

Consider the following image which depicts the reactants in an acid-base reaction.Atoms other than H are labeled with the element symbol. The products of this reaction are shown below. Which of the following is a correct interpretation of this reaction?

The hydroxide ion concentration of a solution is 0.00001 moles per liter.What is the hydrogen ion concentration,and is the solution acidic or basic?

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Atomic Theory: The Quantum Model of the Atom

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

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Exam 17: Acidbase Proton Transferreactions

Which of these statements is true?

A solution is made by dissolving 0.0010 mole KOH in enough water to make 1.00 liter of solution.What are the pH and the pOH of the solution?

A pH meter is used to test the pH of a solution.See the figure below. How is the solution classified?

Given the following relative acid strengths,starting with the weakest: HCO3- < HNO3 < HBr,what is the relative strength of each conjugate base,starting with the weakest?

Which of the following statements is incorrect ? i.Kw = [H+][OH-] = 1.0 × 10-14 at 25°C. ii.Water or water solutions in which [H+] = [OH-] = 10-7 M are neutral solutions,neither acidic nor basic. iii.A solution in which [H+] > [OH-] is basic iv.A solution in which [OH- ] > [H+] is acidic

What is the conjugate base of H3C6H5O7?

Which of the following statements is incorrect?

A water solution is considered acidic when what is true?

Given the following acid strengths: HF > H2S > HCN,which of the following reactions is predicted to occur from left to right as written?

Which of the following is not capable of acting like a Brønsted-Lowry base?

What is the hydroxide ion concentration in a solution with pH = 3?

What is the pH of a solution if [H+] = 3.1 × 10-4 molar?

What is the conjugate base of water?

Identify the conjugate acid base pairs in the reaction H2SO4 + HNO3 → H2NO3+ + HSO4-.

Consider the following image. Based on the reading,what is the hydrogen ion concentration in this solution?

Which of the following substances is amphoteric?

Which of the following is a Brønsted-Lowry base but not an Arrhenius base?

Which of the following properties is traditionally associated with Arrhenius bases?

Consider the following image which depicts the reactants in an acid-base reaction.Atoms other than H are labeled with the element symbol. The products of this reaction are shown below. Which of the following is a correct interpretation of this reaction?

The hydroxide ion concentration of a solution is 0.00001 moles per liter.What is the hydrogen ion concentration,and is the solution acidic or basic?

Matter and Energy

Measurement and Chemical Calculations

Introduction to Gases

Atomic Theory: The Nuclear Model of the Atom

Chemical Nomenclature

Chemical Formula Relationships

Chemical Reactions

Chemical Change

Quantity Relationships in Chemical Reactions

Atomic Theory: The Quantum Model of the Atom

Chemical Bonding

Structure and Shape

The Ideal Gas Law and Its Applications

Gases, Liquids, and Solids

Solutions

Chemical Equilibrium

Oxidationreduction Electron Transferreactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Given the following relative acid strengths,starting with the weakest: HCO₃^- < HNO₃ < HBr,what is the relative strength of each conjugate base,starting with the weakest?

What is the conjugate base of H₃C₆H₅O₇?

Given the following acid strengths: HF > H₂S > HCN,which of the following reactions is predicted to occur from left to right as written?

What is the pH of a solution if [H⁺] = 3.1 × 10^-4 molar?

Identify the conjugate acid base pairs in the reaction H₂SO₄ + HNO₃ → H₂NO₃⁺ + HSO₄^-.