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What is the overall charge of the amino acid,alanine,at pH = 10?


A) + 1
B) - 1
C) No overall charge
D) - 2

E) All of the above
F) None of the above

Correct Answer

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What reagents are necessary to perform the following reaction? What reagents are necessary to perform the following reaction? A) H<sub>2</sub>O,H<sup>+</sup> B) LiAlH<sub>4</sub>,H<sub>2</sub>O C) DIBAL-H,H<sub>2</sub>O D) CH<sub>3</sub>MgBr,H<sub>2</sub>O


A) H2O,H+
B) LiAlH4,H2O
C) DIBAL-H,H2O
D) CH3MgBr,H2O

E) A) and B)
F) C) and D)

Correct Answer

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What reagents are necessary to perform the following reaction? What reagents are necessary to perform the following reaction? A) H<sub>2</sub>O,H<sup>+</sup> B) LiAlH<sub>4</sub>,H<sub>2</sub>O C) DIBAL-H,H<sub>2</sub>O D) CH<sub>3</sub>MgBr,H<sub>2</sub>O


A) H2O,H+
B) LiAlH4,H2O
C) DIBAL-H,H2O
D) CH3MgBr,H2O

E) A) and D)
F) A) and C)

Correct Answer

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Give the IUPAC name for the following compound. Give the IUPAC name for the following compound. A) (E,R) -2-methyl-3-pentenenitrile B) (E,S) -2-methyl-3-pentenenitrile C) (Z,R) -2-methyl-3-pentenenitrile D) (Z,S) -2-methyl-3-pentenenitrile


A) (E,R) -2-methyl-3-pentenenitrile
B) (E,S) -2-methyl-3-pentenenitrile
C) (Z,R) -2-methyl-3-pentenenitrile
D) (Z,S) -2-methyl-3-pentenenitrile

E) A) and B)
F) A) and C)

Correct Answer

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A

Arrange the following compounds in order of increasing boiling point,putting the compound with the lowest boiling point first. Arrange the following compounds in order of increasing boiling point,putting the compound with the lowest boiling point first. A) I < II < III < IV B) I < IV < II < III C) III < II < IV < I D) II < IV < I < III


A) I < II < III < IV
B) I < IV < II < III
C) III < II < IV < I
D) II < IV < I < III

E) None of the above
F) All of the above

Correct Answer

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What reagents are necessary to perform the following reaction? What reagents are necessary to perform the following reaction? A) H<sub>2</sub>O,H<sup>+</sup> B) LiAlH<sub>4</sub>,H<sub>2</sub>O C) DIBAL-H,H<sub>2</sub>O D) CH<sub>3</sub>MgBr,H<sub>2</sub>O


A) H2O,H+
B) LiAlH4,H2O
C) DIBAL-H,H2O
D) CH3MgBr,H2O

E) C) and D)
F) A) and B)

Correct Answer

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A

Where do the two noteworthy peaks of carboxylic acids appear in 1HNMR spectra?


A) Between 10 and 12 ppm for the OH proton and 2-2.5 ppm for the protons on the a carbon to the carboxy group.
B) Between 6 and 9 ppm for the OH proton and 2-2.5 ppm for the protons on the a carbon to the carboxy group.
C) Between 10 and 12 ppm for the OH proton and 1-1.5 ppm for the protons on the a carbon to the carboxy group.
D) Between 6 and 9 ppm for the OH proton and 1-1.5 ppm for the protons on the a carbon to the carboxy group.

E) A) and B)
F) A) and C)

Correct Answer

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What is the hybridization of the carbon atom in a carboxy group?


A) sp
B) sp2
C) sp3
D) p

E) All of the above
F) A) and B)

Correct Answer

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What reagents are necessary to perform the following reaction? What reagents are necessary to perform the following reaction? A) H<sub>2</sub>O,H<sup>+</sup> B) LiAlH<sub>4</sub>,H<sub>2</sub>O C) DIBAL-H,H<sub>2</sub>O D) CH<sub>3</sub>MgBr,H<sub>2</sub>O


A) H2O,H+
B) LiAlH4,H2O
C) DIBAL-H,H2O
D) CH3MgBr,H2O

E) All of the above
F) A) and B)

Correct Answer

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Which of the following reagents can accomplish the transformation below? Which of the following reagents can accomplish the transformation below? A) PCC,CH<sub>2</sub>Cl<sub>2</sub> B) [1] LiAlH<sub>4</sub>,THF; [2] H<sub>2</sub>O C) [1] O<sub>3</sub>; [2] H<sub>2</sub>O D) K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>,H<sub>2</sub>SO<sub>4</sub>,H<sub>2</sub>O


A) PCC,CH2Cl2
B) [1] LiAlH4,THF; [2] H2O
C) [1] O3; [2] H2O
D) K2Cr2O7,H2SO4,H2O

E) A) and B)
F) B) and C)

Correct Answer

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What is the overall charge of the amino acid,alanine,at pH = 7?


A) + 1
B) - 1
C) No overall charge
D) + 2

E) B) and C)
F) C) and D)

Correct Answer

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What is the correct IUPAC name of the following compound? What is the correct IUPAC name of the following compound? A) 3,4-Dimethylcyclohexanoic acid B) 3,4-Dimethylcyclohexanecarboxylic acid C) 4,5-Dimethylcyclohexanecarboxylic acid D) 1,2-Dimethylcyclohexanecarboxylic acid


A) 3,4-Dimethylcyclohexanoic acid
B) 3,4-Dimethylcyclohexanecarboxylic acid
C) 4,5-Dimethylcyclohexanecarboxylic acid
D) 1,2-Dimethylcyclohexanecarboxylic acid

E) A) and C)
F) B) and D)

Correct Answer

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Which of the following is the structure of oxalic acid? Which of the following is the structure of oxalic acid? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) B) and C)
F) All of the above

Correct Answer

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Arrange the following compounds in order of increasing water solubility,putting the least soluble compound first. Arrange the following compounds in order of increasing water solubility,putting the least soluble compound first. A) I < II < III < IV B) II < I < III < IV C) I < III < II < IV D) IV < II < III < I


A) I < II < III < IV
B) II < I < III < IV
C) I < III < II < IV
D) IV < II < III < I

E) A) and D)
F) A) and C)

Correct Answer

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Arrange the following compounds in order of increasing acidity,putting the least acidic first. Arrange the following compounds in order of increasing acidity,putting the least acidic first. A) I < II < III < IV B) IV < III < II < I C) III < IV < II < I D) IV < II < III < I


A) I < II < III < IV
B) IV < III < II < I
C) III < IV < II < I
D) IV < II < III < I

E) A) and D)
F) None of the above

Correct Answer

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Which of the following structures is the major contributor to the resonance hybrid of the phenoxide anion? Which of the following structures is the major contributor to the resonance hybrid of the phenoxide anion? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) C) and D)
F) B) and D)

Correct Answer

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Arrange the following compounds in order of decreasing water solubility,putting the most soluble compound first. Arrange the following compounds in order of decreasing water solubility,putting the most soluble compound first. A) I > II > III > IV B) I > IV > II > III C) I > II > IV > III D) IV > III > II > I


A) I > II > III > IV
B) I > IV > II > III
C) I > II > IV > III
D) IV > III > II > I

E) A) and B)
F) All of the above

Correct Answer

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C

What is the correct IUPAC name of the following compound? What is the correct IUPAC name of the following compound? A) (E) -2-Hexenoic acid B) (Z) -2-Hexenoic acid C) (E) -4-Hexenoic acid D) (Z) -4-Hexenoic acid


A) (E) -2-Hexenoic acid
B) (Z) -2-Hexenoic acid
C) (E) -4-Hexenoic acid
D) (Z) -4-Hexenoic acid

E) A) and D)
F) A) and B)

Correct Answer

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Which of the following cannot be the starting material for the following reaction? Which of the following cannot be the starting material for the following reaction? A) I B) II C) III D) IV


A) I
B) II
C) III
D) IV

E) None of the above
F) B) and C)

Correct Answer

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Rank the following compounds in order of increasing acidity,putting the least acidic first. Rank the following compounds in order of increasing acidity,putting the least acidic first. A) I < II < III < IV B) III < II < I < IV C) IV < I < II < III D) I < IV < III < II


A) I < II < III < IV
B) III < II < I < IV
C) IV < I < II < III
D) I < IV < III < II

E) B) and C)
F) None of the above

Correct Answer

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