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Identify the aromatic hydrocarbon with the highest stabilization energy per ring.


A) phenanthrene
B) benzene
C) naphthalene
D) anthracene

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Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice. Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

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aromatic
It is cycli...

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Which one of the following statements is not true for a compound to be considered as aromatic?


A) The compound must be cyclic and planar
B) The compound must be monocyclic.
C) The compound must have a conjugated system with a p orbital at every vertex
D) The compound must satisfy Hückel's rule -must have (4n + 2) π\pi electrons.
E) none of these

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Provide the structures of the intermediates and final product in the following reaction sequence. Provide the structures of the intermediates and final product in the following reaction sequence.

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Provide the reagents necessary to carry out the following conversion. Provide the reagents necessary to carry out the following conversion.

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1. NBS/blured image
2....

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Provide the structure of the major product(s) for the following reaction. Provide the structure of the major product(s) for the following reaction.

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Provide the structure of the major product(s) for the following reaction. Provide the structure of the major product(s)  for the following reaction.       A)  I B)  II C)  III D)  IV E)  V Provide the structure of the major product(s)  for the following reaction.       A)  I B)  II C)  III D)  IV E)  V Provide the structure of the major product(s)  for the following reaction.       A)  I B)  II C)  III D)  IV E)  V


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

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Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice. Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

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nonaromatic
It is cyclic, but ...

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Provide a stepwise synthesis for the following. Provide a stepwise synthesis for the following.

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blured image_TB4454_00...

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Predict the product for the following reaction. Predict the product for the following reaction.     A)  I B)  II C)  III D)  IV E)  V Predict the product for the following reaction.     A)  I B)  II C)  III D)  IV E)  V


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

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Give the common name for phenol.


A) hydroxybenzene
B) aminobenzene
C) methylbenzene
D) ethylbenzene
E) methoxybenzene

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Provide the reagents necessary to carry out the following conversion. Provide the reagents necessary to carry out the following conversion.

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1. NBS/blured image
2....

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Using a Frost circle, draw the molecular orbital energy diagram for the cyclononatetraenyl cation and predict if it is aromatic. Using a Frost circle, draw the molecular orbital energy diagram for the cyclononatetraenyl cation and predict if it is aromatic.

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blured image_TB4454_00...

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Provide a structure for the compound with molecular formula C10H12O2 and with the following spectroscopic data. IR: 1680 cm−1, 2750 cm−1, 2850 cm−1 1H NMR: 1.1 δ\delta (triplet, 3H), 3.5 δ\delta (quartet, 2H), 4.5 δ\delta (singlet, 2H), 7.3 δ\delta (doublet, 2H), 7.7 δ\delta (doublet, 2H), 9.9 δ\delta (singlet, 1H)

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Which one of the following compounds is nonaromatic? Which one of the following compounds is nonaromatic?   A)  I B)  II C)  III D)  IV E)  V


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

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Which one of the following compounds would exhibit seven signals in its 13C NMR spectrum? Which one of the following compounds would exhibit seven signals in its <sup>13</sup>C NMR spectrum?   A)  I B)  II C)  III D)  IV E)  V


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

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Which one of the following compounds is antiaromatic? Which one of the following compounds is antiaromatic?   A)  I B)  II C)  III D)  IV E)  V


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

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What is the IUPAC name for the following compound? What is the IUPAC name for the following compound?

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4-chlorome...

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What is the IUPAC name for the following compound? What is the IUPAC name for the following compound?   A)  3,4-dichloroaniline B)  2,4-dichloroaniline C)  2,5-dichloroaniline D)  3,6-dichloroaniline E)  2,6-dichloroaniline


A) 3,4-dichloroaniline
B) 2,4-dichloroaniline
C) 2,5-dichloroaniline
D) 3,6-dichloroaniline
E) 2,6-dichloroaniline

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What is the correct structure for 4-amino-2-chlorophenol? What is the correct structure for 4-amino-2-chlorophenol?   A)  I B)  II C)  III D)  IV E)  V


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

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