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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)

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B

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) C) and D)

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D

How many degrees of unsaturation are introduced by a triple bond?


A) 0
B) 1
C) 2
D) 3

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

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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) B) and C)

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

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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 D)
F) C) and D)

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

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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 B)
F) A) and C)

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

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Which of the following bases cannot deprotonate acetylene? You are given the pKa values of the conjugate acids in parentheses. Which of the following bases cannot 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 D)
F) B) and C)

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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) None of the above

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Which of the following about the physical properties of alkynes is not true?


A) Alkynes have low melting and boiling points.
B) Melting and boiling points increase as the number of carbons increases.
C) Alkynes are soluble in organic solvents.
D) Alkynes are soluble in water.

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

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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 C)
F) A) and D)

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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) All of the above

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


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

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

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Determine the product of the following reaction. Determine the 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) C) and D)

Correct Answer

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A

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) A) and B)
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) 3-sec-Butyl-1,4-octadiyne B) 3-Isopropyl-1,5-octadiyne C) 3-Isopropyl-1,5-nonadiyne D) 3-sec-Butyl-1,4-nonadiyne


A) 3-sec-Butyl-1,4-octadiyne
B) 3-Isopropyl-1,5-octadiyne
C) 3-Isopropyl-1,5-nonadiyne
D) 3-sec-Butyl-1,4-nonadiyne

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

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

Correct Answer

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