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What is the major organic product obtained from the following sequence of reactions? What is the major organic product obtained from the following sequence of reactions? A) B) C) D)


A) What is the major organic product obtained from the following sequence of reactions? A) B) C) D)
B) What is the major organic product obtained from the following sequence of reactions? A) B) C) D)
C) What is the major organic product obtained from the following sequence of reactions? A) B) C) D)
D) What is the major organic product obtained from the following sequence of reactions? A) B) C) D)

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

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Instructions: Consider the reaction below to answer the following question(s). Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions. Draw the structure of product D. -Refer to instructions. Draw the structure of product D.

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Which of the following does not correctly characterize a nucleophilic aromatic substitution reaction?


A) favored by electron-withdrawing groups
B) carbanion intermediates
C) -NO2 and -CHO activate the ring
D) -NO2 and -CHO are o/p-directors
E) an H atom is replaced on the ring

F) B) and E)
G) B) and D)

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 2,4-dibromotoluene B) 2,4-dibromophenol C) 2,4-dibromoaniline D) 4,6-dibromophenol


A) 2,4-dibromotoluene
B) 2,4-dibromophenol
C) 2,4-dibromoaniline
D) 4,6-dibromophenol

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

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Which of the following undergoes the most rapid acylation upon treatment with acetyl chloride and AlCl3?


A) benzene
B) toluene
C) chlorobenzene
D) 1,4-dichlorobenzene

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

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Which of the following sets of substituents are all deactivating groups in electrophilic aromatic substitution reactions?


A) Cl,CN,NO2
B) Cl,NH2,CH3
C) CH3,OCH3,COCH3
D) CH3,NH2,OCH3

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

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Which of the following sets of substituents are all o/p-directing in electrophilic aromatic substitution reactions?


A) Cl,CH3,CN
B) Br,OH,COCH3
C) Cl,OH,CH3
D) CN,NO2,COCH3

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

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Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>,what would be the final product of the reaction? b. Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>,what would be the final product of the reaction? c. Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>,what would be the final product of the reaction? d. Consider the following sequence of reactions: a) What is the major organic product obtained from the sequence of reactions? a. b. c. d. b) If KMnO4 had been replaced by Na<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>,what would be the final product of the reaction? b) If KMnO4 had been replaced by Na2Cr2O7,what would be the final product of the reaction?

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a) c
b) No change, t...

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Which of the following represents the energy levels of the molecular orbitals of benzene?


A) Which of the following represents the energy levels of the molecular orbitals of benzene? A) B) C) D)
B) Which of the following represents the energy levels of the molecular orbitals of benzene? A) B) C) D)
C) Which of the following represents the energy levels of the molecular orbitals of benzene? A) B) C) D)
D) Which of the following represents the energy levels of the molecular orbitals of benzene? A) B) C) D)

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

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Which of the following would be an o/p-director in a nucleophilic aromatic substitution reaction?


A) -CH3
B) -OH
C) -F
D) -CN
E) all of these

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

Correct Answer

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Instructions: Consider the reaction below to answer the following question(s). Instructions: Consider the reaction below to answer the following question(s). -Refer to instructions.This reaction proceeds _____________ (faster or slower)than benzene. -Refer to instructions.This reaction proceeds _____________ (faster or slower)than benzene.

Correct Answer

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Which of the following undergoes the most rapid bromination upon treatment with Br2/FeBr3?


A) benzene
B) nitrobenzene
C) bromobenzene
D) benzaldehyde

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

Correct Answer

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How many p electrons are present in the following heterocycle? How many p electrons are present in the following heterocycle? A) 2 B) 4 C) 6 D) 8 E) 10


A) 2
B) 4
C) 6
D) 8
E) 10

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

Correct Answer

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Predict the major product of the following reaction: Predict the major product of the following reaction:

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 3-bromo-4-nitrobenzaldehyde B) 2-bromo-1-nitro-4-benzoic acid C) 3-bromo-4-nitroacetophenone D) 3-bromo-4-nitrobenzoic acid


A) 3-bromo-4-nitrobenzaldehyde
B) 2-bromo-1-nitro-4-benzoic acid
C) 3-bromo-4-nitroacetophenone
D) 3-bromo-4-nitrobenzoic acid

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

Correct Answer

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Which of the following compounds is aromatic?


A) ethane
B) cyclobuta-1,3-diene
C) benzene
D) cycloocta-1,3,5,7-tetraene

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

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