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What is the correct assignment of the names of the following aromatic heterocycles? What is the correct assignment of the names of the following aromatic heterocycles? A) I = pyridine; II = pyrimidine; III = furan B) I = pyrimidine; II =pyrrole; III = furan C) I = pyridine; II = pyrrole; III = furan D) I = pyrimidine; II = pyrrole; III = tetrahydrofuran


A) I = pyridine; II = pyrimidine; III = furan
B) I = pyrimidine; II =pyrrole; III = furan
C) I = pyridine; II = pyrrole; III = furan
D) I = pyrimidine; II = pyrrole; III = tetrahydrofuran

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

Correct Answer

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C

What is the correct structure for anisole? What is the correct structure for anisole? 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 IUPAC name of the following compound? What is the IUPAC name of the following compound? A) o-nitrotoluene B) m-nitrotoluene C) p-nitrotoluene D) 3-nitroanisole


A) o-nitrotoluene
B) m-nitrotoluene
C) p-nitrotoluene
D) 3-nitroanisole

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

Correct Answer

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Which of the following is not a criterion for antiaromaticity?


A) The molecule must be cyclic.
B) The molecule must have (4n + 2) pi electrons.
C) The molecule must be planar.
D) The molecule must be completely conjugated.

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

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Which of the following compounds is not aromatic? Which of the following compounds is not aromatic? 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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What is the correct structure for 1-bromo-2,4-dimethoxybenzene? What is the correct structure for 1-bromo-2,4-dimethoxybenzene? A) I B) II C) III D) IV


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

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

Correct Answer

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What is the correct structure for aniline? What is the correct structure for aniline? 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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B

Which of the following ions is aromatic? Which of the following ions is aromatic? A) Only I and II B) Only II and III C) Only III and IV D) Only II and IV


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

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

Correct Answer

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How many different proton signals would the following compound show in its 1H NMR spectrum? How many different proton signals would the following compound show in its <sup>1</sup>H NMR spectrum? A) 1 B) 3 C) 5 D) 6


A) 1
B) 3
C) 5
D) 6

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 3,6-Dichloroaniline B) 2,5-Dichloroaniline C) 2,5-Dichloroaminobenzene D) 2,5-Dichloroanisole


A) 3,6-Dichloroaniline
B) 2,5-Dichloroaniline
C) 2,5-Dichloroaminobenzene
D) 2,5-Dichloroanisole

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

Correct Answer

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Which of the following compounds is not aromatic? Which of the following compounds is not aromatic? 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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A

Where do the protons in benzene appear in the 1H NMR spectrum?


A) Around 1600 cm-1
B) Around 120 ppm
C) Around 0 ppm
D) Around 7 ppm

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) o-nitroaniline B) m-nitroaniline C) p-nitroaniline D) 4-nitroanilsole


A) o-nitroaniline
B) m-nitroaniline
C) p-nitroaniline
D) 4-nitroanilsole

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

Correct Answer

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What is the correct assignment of the names of the following substituted benzenes? What is the correct assignment of the names of the following substituted benzenes? A) I = Styrene; II = aniline; III = anisole B) I = Toluene; II = anisole; III = styrene C) I = Styrene; II = anisole; III = phenol D) I = Toluene; II = aniline; III = anisole


A) I = Styrene; II = aniline; III = anisole
B) I = Toluene; II = anisole; III = styrene
C) I = Styrene; II = anisole; III = phenol
D) I = Toluene; II = aniline; III = anisole

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

Correct Answer

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What is the name of the following compound? What is the name of the following compound? A) 2,6-Dimethylbenzene B) 5-Methyltoluene C) Anisole D) 1,3-Dimethylbenzene


A) 2,6-Dimethylbenzene
B) 5-Methyltoluene
C) Anisole
D) 1,3-Dimethylbenzene

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

Correct Answer

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What is the hybridization of the indicated N atom in the following compound? What is the hybridization of the indicated N atom in the following compound? A) p B) sp C) sp<sup>2</sup> D) sp<sup>3</sup>


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

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

Correct Answer

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Which of the following statements about the structure of benzene is not true?


A) Benzene is planar.
B) Benzene has three short double bonds alternating with three longer single bonds.
C) The electrons in the pi bonds are delocalized around the ring.
D) Benzene has six pi electrons.

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

Correct Answer

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What is the name of the following compound? What is the name of the following compound? A) Meta-bromophenol B) Para-hydroxybenzene C) 3-bromoanisole D) 6-methoxy-2-bromobenzene


A) Meta-bromophenol
B) Para-hydroxybenzene
C) 3-bromoanisole
D) 6-methoxy-2-bromobenzene

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

Correct Answer

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In what type of orbital does the lone pair on the indicated N atom reside? In what type of orbital does the lone pair on the indicated N atom reside? A) p B) sp C) sp<sup>2</sup> D) sp<sup>3</sup>


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

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

Correct Answer

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


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

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

Correct Answer

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