Question 1

Which of the following species can act as a Lewis acid?

Accepted Answer

A)  NH3
B)  F-
C)  H2O
D)  NH4+
E)  BF3F) A) and B)
G) B) and E)

Question 2

The substance HClO4 is considered to be

Accepted Answer

A)  a weak acid.
B)  a weak base.
C)  a strong acid.
D)  a strong base.
E)  a neutral compound.F) All of the above
G) A) and E)

Question 3

All strong acids have weak conjugate bases.

Accepted Answer

A) True 
 B)False

Question 4

Which is the weakest acid?

Accepted Answer

A)  SO42-
B)  H2SO3
C)  H2SO4
D)  HSO4-
E)  HSO3-F) A) and C)
G) B) and E)

Question 5

Which is the most basic oxide?

Accepted Answer

A)  Bi2O3
B)  SiO2
C)  Cs2O
D)  Na2O
E)  H2OF) None of the above
G) D) and E)

Question 6

Which is a basic oxide?

Accepted Answer

A)  NO2
B)  H2O
C)  Na2O
D)  SnO
E)  SO2F) C) and D)
G) B) and C)

Question 7

Which of the following is the correct equilibrium expression for the autoionization of water?

Accepted Answer

A)  Kw = [H2O]2
B)   w = [H2O]2 
B)     
C)  Kw = [OH][H3O] 
D)  Kw = [OH-][H3O+] 
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C)  Kw = [OH][H3O]
D)  Kw = [OH-][H3O+]
E)   w = [H2O]2 
B)     
C)  Kw = [OH][H3O] 
D)  Kw = [OH-][H3O+] 
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G) A) and B)

Question 8

Carboxylic acids are _____.

Accepted Answer

A)  always weak acids
B)  weak or strong acids depending on the number of carbons in the structure
C)  always weak bases
D)  inorganic acidsE) A) and B)
F) None of the above

Question 9

Which is the weakest acid?

Accepted Answer

A)  HBrO3
B)  HClO
C)  HBrO2
D)  HBrO
E)  HClO3F) A) and E)
G) B) and D)

Question 10

A solution is prepared by adding 0.10 mol of lithium nitrate,LiNO3,to 1.00 L of water.Which statement about the solution is correct?

Accepted Answer

A)  The solution is basic.
B)  The solution is neutral.
C)  The solution is weakly acidic.
D)  The solution is strongly acidic.
E)  The values for Ka and Kb for the species in solution must be known before a prediction can be made.F) None of the above
G) D) and E)

Question 11

Which is an amphoteric oxide?

Accepted Answer

A)  Na2O
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) A) and E)
G) C) and D)

Question 12

Which one of these responses is true with regard to a 0.1 M solution of a weak acid HA?

Accepted Answer

A)  [H+] > 0.1 M.
B)  pH = 1.0
C)  [H+] -]
D)  pH > 1.0
E)  [OH-] > [H+]F) A) and C)
G) C) and E)

Question 13

What is the pH of a 0.014 M Ca(OH) 2 solution?

Accepted Answer

A)  1.85
B)  1.55
C)  12.15
D)  12.45
E)  15.85F) A) and B)
G) B) and E)

Question 14

What are the products of hydrolysis of NH4Cl?

Accepted Answer

A)  NH4+ + HCl
B)  NH3 + OH- + HCl
C)  NH3 + H3O+ + Cl-
D)  NH4OH + HCl
E)  No hydrolysis occurs.F) B) and C)
G) B) and D)

Question 15

Which is a basic oxide?

Accepted Answer

A)  CO2
B)  CaO
C)  SO2
D)  H2O
E)  NO2F) A) and B)
G) D) and E)

Question 16

In comparing three solutions with pHs of 2.0,4.8,and 5.2,which solution is the most acidic?

Accepted Answer

The soluti...

Question 17

Which is a Lewis acid?

Accepted Answer

A)  NH3
B)  NH4+
C)  H2O
D)  BF3
E)  F-F) A) and B)
G) D) and E)

Question 18

Which is a Lewis acid?

Accepted Answer

A)  CH3NH2
B)  BCl3
C)  F-
D)  BF4-
E)  CH4F) A) and B)
G) All of the above

Question 19

Which is the most acidic oxide?

Accepted Answer

A)  SO2
B)  Al2O3
C)  CaO
D)  PbO
E)  H2OF) D) and E)
G) A) and E)

Question 20

Which diagram best represents the products when equimolar amounts of HF(g) and NH3(g) react?

Accepted Answer

A)   3(g) react? 
A)     
B)     
C)     
D)     
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B)   3(g) react? 
A)     
B)     
C)     
D)     
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C)   3(g) react? 
A)     
B)     
C)     
D)     
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D)   3(g) react? 
A)     
B)     
C)     
D)     
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E)   3(g) react? 
A)     
B)     
C)     
D)     
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G) C) and E)

Exam 16: Acids and Bases

A solution is prepared by adding 0.10 mol of lithium nitrate,LiNO3,to 1.00 L of water.Which statement about the solution is correct?

Correct AnswerverifiedShow Answer

Which of the following is the correct equilibrium expression for the autoionization of water?

Correct AnswerverifiedShow Answer

Which is an amphoteric oxide?

Correct AnswerverifiedShow Answer

The substance HClO4 is considered to be

Correct AnswerverifiedShow Answer

Which is a Lewis acid?

Correct AnswerverifiedShow Answer

In comparing three solutions with pHs of 2.0,4.8,and 5.2,which solution is the most acidic?

Correct AnswerverifiedThe soluti...View AnswerShow Answer

Which one of these responses is true with regard to a 0.1 M solution of a weak acid HA?

Correct AnswerverifiedShow Answer

What are the products of hydrolysis of NH4Cl?

Correct AnswerverifiedShow Answer

Which is the weakest acid?

Correct AnswerverifiedShow Answer

Which is the weakest acid?

Correct AnswerverifiedShow Answer

Carboxylic acids are _____.

Correct AnswerverifiedShow Answer

Which is a basic oxide?

Correct AnswerverifiedShow Answer

Which is a Lewis acid?

Correct AnswerverifiedShow Answer

All strong acids have weak conjugate bases.

Correct AnswerverifiedShow Answer

Which is the most basic oxide?

Correct AnswerverifiedShow Answer

What is the pH of a 0.014 M Ca(OH) 2 solution?

Correct AnswerverifiedShow Answer

Which is the most acidic oxide?

Correct AnswerverifiedShow Answer

Which is a basic oxide?

Correct AnswerverifiedShow Answer

Which of the following species can act as a Lewis acid?

Correct AnswerverifiedShow Answer

Which diagram best represents the products when equimolar amounts of HF(g) and NH3(g) react?

Correct AnswerverifiedShow Answer

A solution is prepared by adding 0.10 mol of lithium nitrate,LiNO₃,to 1.00 L of water.Which statement about the solution is correct?

Correct Answer
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The substance HClO₄ is considered to be

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The soluti...
View Answer

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What are the products of hydrolysis of NH₄Cl?

Correct Answer
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What is the pH of a 0.014 M Ca(OH) ₂ solution?

Correct Answer
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Which diagram best represents the products when equimolar amounts of HF(g) and NH₃(g) react?

Correct Answer
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