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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 D)
F) B) and C)

Correct Answer

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Which of the following compounds is conjugated? Which of the following compounds is conjugated? A) I B) II C) III D) IV


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

E) A) and D)
F) None 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) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following statements about the mechanism of the Diels-Alder reaction is true?


A) Three π bonds break; two σ bonds and one π bond form.
B) Three π bonds break; one σ bond and two π bonds form.
C) Two π bonds break; one σ bond and one π bond form.
D) Two π bonds break; two σ bonds and one π bond form.

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

Correct Answer

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Why would the compound below not react with a dienophile in a Diels-Alder reaction? Why would the compound below not react with a dienophile in a Diels-Alder reaction? A) The compound is not a conjugated diene. B) There are no electron withdrawing groups on the compound. C) There are no electron donating groups on the compound. D) The compound cannot adopt the s-cis conformation.


A) The compound is not a conjugated diene.
B) There are no electron withdrawing groups on the compound.
C) There are no electron donating groups on the compound.
D) The compound cannot adopt the s-cis conformation.

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

Correct Answer

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Which of the following compounds is the least reactive dienophile in a Diels-Alder reaction? Which of the following compounds is the least reactive dienophile in a Diels-Alder reaction? 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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What is the major organic product of the following reaction? What is the major organic product of the following reaction? A) Only I B) Only I and II C) Only II and III D) I,II,and III


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

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

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) A) and C)

Correct Answer

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Which of the following statements about resonance structures is true?


A) The placement of atoms is different.
B) The placement of p bonds is different.
C) The placement of s bonds is different.
D) The placement of nonbonded electrons is the same.

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

Correct Answer

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Which triene has the smallest heat of hydrogenation? Which triene has the smallest heat of hydrogenation? A) I B) II C) III D) IV


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

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

Correct Answer

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What is (are) the major product(s) of the following reaction? What is (are) the major product(s) of the following reaction? A) Only I B) Only I and III C) Only II and IV D) Only I,II,and III


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

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

Correct Answer

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What is (are) the major product(s) of the following reaction? What is (are) the major product(s) of the following reaction? A) Only I B) Only II and IV C) Only I and III D) Only I,II,and III


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

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

Correct Answer

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How would you favor the formation of the kinetic product of the following reaction? How would you favor the formation of the kinetic product of the following reaction? A) Excess HBr B) Long reaction time C) Low temperature D) High pressure


A) Excess HBr
B) Long reaction time
C) Low temperature
D) High pressure

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

Correct Answer

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What is the hybridization around the indicated oxygen atom in the following anion? What is the hybridization around the indicated oxygen atom in the following anion? A) sp<sup>3</sup> B) sp<sup>2</sup> C) sp D) p


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

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

Correct Answer

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What is the definition of a resonance structure?


A) Compounds with the same molecular formula
B) Compounds with different carbon frameworks
C) Structures that differ only in the placement of π and nonbonding electrons
D) Structures that differ only in the location of bonds

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

Correct Answer

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What is the hybridization around the indicated carbon atom in the following anion? What is the hybridization around the indicated carbon atom in the following anion? A) sp<sup>3</sup> B) sp<sup>2</sup> C) sp D) p


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

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

Correct Answer

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Which of the following conjugated dienes represent two conformations? Which of the following conjugated dienes represent two conformations? A) Only I and II B) Only I and III C) Only II and III D) None of the choices


A) Only I and II
B) Only I and III
C) Only II and III
D) None of the choices

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

Correct Answer

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Which of the following is not a resonance structure of acetic anhydride? Which of the following is not a resonance structure of acetic anhydride? A) I B) II C) III D) IV


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

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

Correct Answer

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Which of the following compound absorbs UV light at the longest wavelength? Which of the following compound absorbs UV light at the longest wavelength? 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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