ch03 - Chapter Three MULTIPLE CHOICE QUESTIONS Topic...

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Chapter Three MULTIPLE CHOICE QUESTIONS Topic: Acid-Base Definitions Section: 3.2 Difficulty Level: Easy 1. Which of the following is not a conjugate acid - conjugate base pair (in that order)? A) H 3 PO 4 , H 2 PO 4 - B) HBF 4 , BF 4 - C) CH 3 CH 2 OH, CH 3 CH 2 O - D) H 3 O + , H 2 O E) HPO 4 - , H 2 PO 4 - Ans: E Topic: Acid-Base Definitions Section: 3.2 Difficulty Level: Easy 2. The conjugate base of sulfuric acid is: Topic: Acid-Base Definitions Section: 3.2 Difficulty Level: Easy 3. Which of the following is not a Bronsted-Lowry acid?
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Topic: Acid-Base Definitions Section: 3.2 Difficulty Level: Easy 4. What is the conjugate base of ethanol? Topic: Acid-Base Definitions Section: 3.2 Difficulty Level: Medium 5. Consider the equilibrium PO 4 3- + H 2 O HPO 4 2- + HO - Which are the Bronsted-Lowry bases? A) PO 4 3 - and HPO 4 2 - B) PO 4 3 - and OH - C) PO 4 3 - and H 2 O D) H 2 O and OH - E) H 2 O and HPO 4 2 - Ans: B Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Easy 6. According to the Lewis definition, a base is a(n): A) Proton donor. B) Electron pair donor. C) Hydroxide ion donor. D) Hydrogen ion donor. E) Electron pair acceptor. Ans: B
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Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Easy 7. Which of the following is not a Lewis base? Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Easy 8. Which of the following is a Lewis acid? Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Easy 9. Which of these is not a Lewis acid?
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Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Easy 10. Which of these is not a Lewis acid? A) AlBr 3 B) BCl 3 C) Ph 3 P D) D + E) All the above are Lewis acids Ans: C Topic: Acid-Base Definitions Section: 3.3 Difficulty Level: Medium 11. This species is a carbon-based Lewis acid: Topic: Acid-base definitions, Acid-Base Reactions Section: 3.2 and 3.3 Difficulty Level: Easy 12. Which pair of species are both bases in the following reaction? HCN + H 2 O - CN + H 3 O + Ans A
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Topic: Acid-Base Definitions Section: 3.2 and 3.3 Difficulty Level: Easy
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