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Give the IUPAC name for the following compound. Give the IUPAC name for the following compound. A) R-1-butyn-3-ol B) S-1-butyn-3-ol C) R-3-butyn-1-ol D) S-3-butyn-1-ol


A) R-1-butyn-3-ol
B) S-1-butyn-3-ol
C) R-3-butyn-1-ol
D) S-3-butyn-1-ol

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

Correct Answer

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D

What is the major organic product of the following reaction? What is the major organic product of the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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D

Which of the following compounds is a tautomer of 2-hexanone? Which of the following compounds is a tautomer of 2-hexanone? A) Only I and II B) Only I and III C) Only II and III D) I,II,and III


A) Only I and II
B) Only I and III
C) Only II and III
D) I,II,and III

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

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Which of the following bases can deprotonate acetylene? You are given the pKa values of the conjugate acids in parentheses. Which of the following bases can deprotonate acetylene? You are given the pK<sub>a</sub> values of the conjugate acids in parentheses. A) Only I and II B) Only I and III C) Only II and III D) Only II and IV


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

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

Correct Answer

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Which method would work the best in accomplishing the following transformation? Which method would work the best in accomplishing the following transformation? A) [1] HBr; [2] 2eq.NaNH<sub>2</sub> B) [1] Br<sub>2</sub>; [2] 2eq.NaNH<sub>2</sub> C) [1] Br<sub>2</sub>,H<sub>2</sub>O; [2] NaNH<sub>2</sub> D) [1]BH<sub>3</sub>,THF; [2] H<sub>2</sub>O<sub>2</sub>,NaOH; [3] NaNH<sub>2</sub>


A) [1] HBr; [2] 2eq.NaNH2
B) [1] Br2; [2] 2eq.NaNH2
C) [1] Br2,H2O; [2] NaNH2
D) [1]BH3,THF; [2] H2O2,NaOH; [3] NaNH2

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

Correct Answer

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Give the IUPAC name for the following compound. Give the IUPAC name for the following compound. A) 2,5-Dimethyl-3-heptyne B) 3,6-Dimethy-4-heptyne C) 2,5-Dimethyl-3-octyne D) 3,6-Dimethyl-4-octyne


A) 2,5-Dimethyl-3-heptyne
B) 3,6-Dimethy-4-heptyne
C) 2,5-Dimethyl-3-octyne
D) 3,6-Dimethyl-4-octyne

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

Correct Answer

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Which of the following represents a terminal alkyne? Which of the following represents a terminal alkyne? A) Only I and II B) Only II and III C) Only I and III D) Only II and IV


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

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

Correct Answer

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Which of the following anions is the most basic? Which of the following anions is the most basic? A) I B) II C) III D) IV


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

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

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Give the IUPAC name for the following compound. Give the IUPAC name for the following compound. A) trans-2-Acetylenecyclohexanol B) trans-2-Ethynylcyclohexanol C) trans-2-Acetylene-1-cyclohexanol D) trans-2-Ethylenecyclohexanol


A) trans-2-Acetylenecyclohexanol
B) trans-2-Ethynylcyclohexanol
C) trans-2-Acetylene-1-cyclohexanol
D) trans-2-Ethylenecyclohexanol

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

Correct Answer

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Which of the following represents a keto-enol tautomeric pair? Which of the following represents a keto-enol tautomeric pair? A) I B) II C) III D) IV


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

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

Correct Answer

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D

What is the product of the following reaction? What is the product of the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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What is the relationship between the keto and enol forms of acetone,CH3COCH3?


A) Same compounds
B) Diastereomers
C) Enantiomers
D) Constitutional isomers

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

Correct Answer

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What is the major organic product of the following reaction? What is the major organic product of the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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In the addition of HBr to 1-butyne,the electrophile in the first step of the mechanism is


A) the Csp-H1s bond of 1-butyne.
B) the C-C triple bond of 1-butyne.
C) the H atom in HBr.
D) the Br ion.

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

Correct Answer

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What is the product of the following sequence of reactions? What is the product of the following sequence of reactions? A) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following represents an internal alkyne? Which of the following represents an internal alkyne? A) Only I and II B) Only I and III C) Only II and IV D) Only II and III


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

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

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Which of the following molecular formulas is consistent with the formula for a molecule containing one alkyne and no other degrees of unsaturation? Which of the following molecular formulas is consistent with the formula for a molecule containing one alkyne and no other degrees of unsaturation? A) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following statements about tautomers is true?


A) Tautomers differ in the position of a single bond and a hydrogen atom.
B) Tautomers differ in the position of a double bond and a carbon atom.
C) Tautomers differ in the position of a double bond and a hydrogen atom.
D) Tautomers differ in the position of a single bond and a carbon atom.

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

Correct Answer

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What is the major product of the following reaction sequence? What is the major product of the following reaction sequence? A) I B) II C) III D) IV


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

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

Correct Answer

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What is the major product of the following reaction? What is the major product of the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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