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Which of the indicated hydrogen in the following compounds is the most acidic? Which of the indicated hydrogen in the following compounds is the most acidic? A) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following statements about alkynes is not true?


A) Alkynes undergo many addition reactions.
B) Alkynes are more polarizable than alkenes.
C) Both p bonds of a C-C triple bond are weaker than a C-C s bond.
D) The electrons in the p bonds of alkynes are more tightly held than those of alkenes.

E) C) and D)
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) 4,4-Diethyl-1-octyne B) 4,4-Dipropyl-1-heptyne C) 4,4-Dipropyl-6-heptyne D) 4,4-Diethyl-6-octyne


A) 4,4-Diethyl-1-octyne
B) 4,4-Dipropyl-1-heptyne
C) 4,4-Dipropyl-6-heptyne
D) 4,4-Diethyl-6-octyne

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

Correct Answer

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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 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 B)

Correct Answer

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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) All of the above
F) None of the above

Correct Answer

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Which of the following explains why 1-pentyne has a slightly higher boiling point than 1-pentene?


A) 1-Pentyne has more carbons than 1-pentene.
B) 1-Pentyne has more carbons per hydrogen than 1-pentene.
C) 1-Pentyne is linear while 1-pentene is trigonal planar.
D) The C-C triple bond in 1-pentyne is more polar than the C-C double bond in 1-pentene.

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

Correct Answer

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What is the starting material in the following reaction? What is the starting material in the following reaction? A) I B) II C) III D) IV


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

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

Correct Answer

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How many s bonds and p bonds are present in a triple bond?


A) One s bond and one p bond.
B) One s bond and two p bonds.
C) Two s bonds and one p bond.
D) Two s bonds and two p bonds.

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

Correct Answer

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