Test problems for Chapter 19 with answers

Test problems for Chapter 19 with answers - 1. Which would...

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Page 1 1. Which would be the best name of the following compound? CO 2 H Br H 3 C (CH 3 ) 2 CH A) 2-bromo-3-isopropylbutenoic acid B) ( E )-2-bromo-3,4-dimethyl-2-pentenoic acid C) ( E )-2-bromo-3-methyl-2-hexenoic acid D) ( E )-2-bromo-3-methyl-2-pentenoic acid E) ( Z )-2-bromo-3-methyl-2-pentenoic acid Ans: B 2. Rank the following in decreasing order of acidity (most acidic on left): H 3 CC H 2 CO 2 HH 3 HC O 2 H Br H 3 H 2 CH 2 OH Z Y X A) X > Z > Y B) Y > X > Z C) Z > X > Y D) Z > Y > X E) X > Y > Z Ans: C
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Page 2 3. What would be the major organic product of the following reaction? C O OH ? heat SOCl 2 A) C O Cl B) C O O C) C O OH Cl D) C O Cl Cl E) C O O C O Ans: A 4. The reaction of propanoic acid with lithium aluminum hydride, followed by water, would result in what product? A) H 3 CC H 2 C O H D) H 3 H 2 CH 2 OH B) H 3 H 2 CO 2 Li E) H 3 H 2 CH 3 C) H 3 H 2 CH 2 Li Ans: D
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Page 3 5. What would the common name of the following di-acid be? CO 2 H HO 2 CC H 2 CH 2 A) Malonic acid D) Adipic acid B) Oxalic acid E) Glutaric acid C) Succinic acid Ans: C 6. Which of the following sets of reagents would convert benzyl bromide to phenylethanoic acid? CH 2 Br CH 2 CO 2 H ? A) H 2 CrO 4 H 2 O B) 1. Mg, ether 2. CO 2 3. H 3 O + C) HCO 2 - K + D) 1. NaCN 2. H + , H 2 O, heat E) both B and D Ans: E 7. The higher acidity of carboxylic acids compared to other functional groups is best explained by A) hydrogen bonding. D) resonance. B) electronegativity of oxygen. E) electronegativity of carbon. C) water solubility. Ans: D
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Page 4 8. What would be the name of the following?
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This note was uploaded on 02/07/2012 for the course ECON 122 taught by Professor Staff during the Spring '11 term at Rutgers.

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Test problems for Chapter 19 with answers - 1. Which would...

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