1. Principles & Modern Applications
General Chemistry
Principles & Modern Applications
10th Edition
Petrucci/Herring/Madura/Bissonnette
Chapter 16
Acids and Bases
Dr. Wendy Pell
University of Ottawa
Copyright © 2011 Pearson Canada Inc.
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2. Which of the following are the best examples of Lewis bases?
1. B only. A)
2. C only.
3. C and D only.
4. A, C and D only. D) C)
5. None of these are Lewis bases.
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3. Which of the following are the best examples of Lewis bases?
1. B only. A)
2. C only.
3. C and D only.
4. A, C and D only. D) C)
5. None of these are Lewis bases.
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4. The reaction depicted to the right is best denoted as
1. a Brønsted-Lowry acid-base reaction.
2. an Arrhenius acid-base reaction.
3. a Lewis acid-base reaction.
4. a redox reaction.
5. None of the above are correct.
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5. The reaction depicted to the right is best denoted as
1. a Brønsted-Lowry acid-base reaction.
2. an Arrhenius acid-base reaction.
3. a Lewis acid-base reaction.
4. a redox reaction.
5. None of the above are correct.
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6. The following reaction is best denoted as
1. a Brønsted-Lowry acid-base reaction.
2. an Arrhenius acid-base reaction.
3. a Lewis acid-base reaction.
4. Both 1 and 2.
5. Both 2 and 3.
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7. The following reaction is best denoted as
1. a Brønsted-Lowry acid-base reaction.
2. an Arrhenius acid-base reaction.
3. a Lewis acid-base reaction.
4. Both 1 and 2.
5. Both 2 and 3.
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8. In the reaction depicted below, which species are acids?- - +
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9. In the reaction depicted below, which species are acids?- - +
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10. A 0.10 M aqueous solutions of which of the following compounds is most basic?
1. NaNO3
2. H2SO4
3. NH4Cl
4. NH3
5. NaOH
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11. A 0.10 M aqueous solutions of which of the following compounds is most basic?
1. NaNO3
2. H2SO4
3. NH4Cl
4. NH3
5. NaOH
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12. Which of the following solutions has the highest concentration of hydroxide ion?
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13. Which of the following solutions has the highest concentration of hydroxide ion?1. 2. 3.
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14. A 0.10 M aqueous solutions of which of the following compounds do you think is the most acidic?
1. HCl
2. H2SO4
3. NH4Cl
4. HClO4
5. H2CO3
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15. A 0.10 M aqueous solutions of which of the following compounds do you think is the most acidic?
1. HCl
2. H2SO4
3. NH4Cl
4. HClO4
5. H2CO3
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16. Which of the following is closest to the concentration of H3O+ for the solution depicted to the right (pH=8.98). Do not use a calculator. M M M M M
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17. Which of the following is closest to the concentration of H3O+ for the solution depicted to the right (pH=8.98). Do not use a calculator. M M M M M
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18. CH3COOH (aq) + H2O (l) ⇌ CH3COO- (aq) + H3O+ Ka = 1.8 x 10-5
Given,
CH3COOH (aq) + H2O (l) ⇌ CH3COO- (aq) + H3O+ Ka = 1.8 x 10-5
What is the equilibrium constant for,
CH3COO- (aq) + H3O+ ⇌ CH3COOH (aq) + H2O (l)
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19. CH3COOH (aq) + H2O (l) ⇌ CH3COO- (aq) + H3O+ Ka = 1.8 x 10-5
Given,
CH3COOH (aq) + H2O (l) ⇌ CH3COO- (aq) + H3O+ Ka = 1.8 x 10-5
What is the equilibrium constant for,
CH3COO- (aq) + H3O+ ⇌ CH3COOH (aq) + H2O (l)
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20. NH3 (aq) + H2O (l) ⇌ NH4+ (aq) + OH- (aq) Kb = 1.8x10-5
Given,
NH3 (aq) + H2O (l) ⇌ NH4+ (aq) + OH- (aq) Kb = 1.8x10-5
2H2O (l) ⇌ H3O+ (aq) + OH- (aq) Kw = 1.0 x 10-14
What is the equilibrium constant for, (no calculators)
NH3 (aq) + H3O+ (aq) ⇌ NH4+ (aq) + H2O (l)
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21. NH3 (aq) + H2O (l) ⇌ NH4+ (aq) + OH- (aq) Kb = 1.8x10-5
Given,
NH3 (aq) + H2O (l) ⇌ NH4+ (aq) + OH- (aq) Kb = 1.8x10-5
2H2O (l) ⇌ H3O+ (aq) + OH- (aq) Kw = 1.0 x 10-14
What is the equilibrium constant for, (no calculators)
NH3 (aq) + H3O+ (aq) ⇌ NH4+ (aq) + H2O (l)
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22. Solutions of NaCl, NaNO3, and Na3PO4 will be
1. neutral, basic and acidic, respectively.
2. acidic, neutral and basic, respectively.
3. acidic, basic and basic, respectively.
4. neutral, neutral and basic, respectively.
5. neutral, neutral and acidic, respectively.
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23. Solutions of NaCl, NaNO3, and Na3PO4 will be
1. neutral, basic and acidic, respectively.
2. acidic, neutral and basic, respectively.
3. acidic, basic and basic, respectively.
4. neutral, neutral and basic, respectively.
5. neutral, neutral and acidic, respectively.
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24. Which compound do you expect to be most acidic?1. 2. 3. 4. 5.
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25. Which compound do you expect to be most acidic?1. 2. 3. 4. 5.
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26. Which of the following oxoacids would you expect to be the most acidic?1. 2. 3. 4. 5.
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27. Which of the following oxoacids would you expect to be the most acidic?1. 2. 3. 4. 5.
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28. Which of the following would you expect to be the most basic amine?1. 2. 3. 4.
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29. Which of the following would you expect to be the most basic amine?1. 2. 3. 4.
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30. The acid ionization constant expression for ionization of the third proton in phosphoric acid is
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31. The acid ionization constant expression for ionization of the third proton in phosphoric acid is
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32. Consider the four amines below, aniline, cyclohexylamine, para-chloroaniline and ortho-chloroaniline. Which has the largest pKb?
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33. Consider the four amines below, aniline, cyclohexylamine, para-chloroaniline and ortho-chloroaniline. Which has the largest pKb?
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34. Solid sodium acetate, NaCH3COO is dissolved in 1 L of water
Solid sodium acetate, NaCH3COO is dissolved in 1 L of water. The resulting hydrolysis reaction is of the form:
A + H2O ⇌ B + C
Identify A, B, and C:
1. CH3COOH, H3O+, CH3COO-
2. CH3COO-, CH3COOH, H3O+
3. CH3COO-, CH3COOH, H2O
4. CH3COO-, CH3COOH, HO-
5. NaCH3COO, CH3COO-, Na+
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35. Solid sodium acetate, NaCH3COO is dissolved in 1 L of water
Solid sodium acetate, NaCH3COO is dissolved in 1 L of water. The resulting hydrolysis reaction is of the form:
A + H2O ⇌ B + C
Identify A, B, and C:
1. CH3COOH, H3O+, CH3COO-
2. CH3COO-, CH3COOH, H3O+
3. CH3COO-, CH3COOH, H2O
4. CH3COO-, CH3COOH, HO-
5. NaCH3COO, CH3COO-, Na+
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36. Ammonium nitrate, NH4NO3 is dissolved in 1 L of water
Ammonium nitrate, NH4NO3 is dissolved in 1 L of water. The resulting hydrolysis reaction is of the form:
A + H2O ⇌ B + C
Identify A, B, and C:
1. NH4+, H3O+, NH3
2. NH4+, OH-, NH3
3. NO3-, HNO3, OH-
4. NO3-, H3O+, HNO3
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37. Ammonium nitrate, NH4NO3 is dissolved in 1 L of water
Ammonium nitrate, NH4NO3 is dissolved in 1 L of water. The resulting hydrolysis reaction is of the form:
A + H2O ⇌ B + C
Identify A, B, and C:
1. NH4+, H3O+, NH3
2. NH4+, OH-, NH3
3. NO3-, HNO3, OH-
4. NO3-, H3O+, HNO3
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