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What is the major organic product obtained from the following sequence of reactions (if a reaction is likely to give you a mixture of ortho and para disubstituted compounds you should assume that they can be separated; continue the synthesis with either one)? What is the major organic product obtained from the following sequence of reactions (if a reaction is likely to give you a mixture of ortho and para disubstituted compounds you should assume that they can be separated; continue the synthesis with either one)?

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Consider the following compounds. Consider the following compounds. Use the number of the compound to answer the following question. Place the number in the blank provided. -The compound that is the most reactive to nitration is ______. Consider the following compounds. Use the number of the compound to answer the following question. Place the number in the blank provided. -The compound that is the most reactive to nitration is ______. Consider the following compounds. Use the number of the compound to answer the following question. Place the number in the blank provided. -The compound that is the most reactive to nitration is ______. Consider the following compounds. Use the number of the compound to answer the following question. Place the number in the blank provided. -The compound that is the most reactive to nitration is ______. Use the number of the compound to answer the following question. Place the number in the blank provided. -The compound that is the most reactive to nitration is ______.

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Which of the following chlorobenzenes does not undergo nucleophilic aromatic substitution upon treatment with NaNH2? Which of the following chlorobenzenes does not undergo nucleophilic aromatic substitution upon treatment with NaNH<sub>2</sub>? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction?

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Which of the following sets of reagents does not result in alkylation of benzene?


A) tert-butyl chloride + AlCl3
B) tert-butyl alcohol + H3PO4
C) methylpropene + HF
D) methylpropane + H2SO4

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

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

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Which of the following is not true about Meissenheimer complexes?


A) They are resonance-stabilized anions
B) They are formed upon addition of a nucleophile to aryl halides
C) They are aromatic
D) They are intermediates in nucleophilic aromatic substitution reaction which take place by an addition-elimination mechanism

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

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What is the major organic product obtained from the following reaction (assume that mixtures of ortho and para disubstituted compounds can be separated; continue the synthesis with either one)? What is the major organic product obtained from the following reaction (assume that mixtures of ortho and para disubstituted compounds can be separated; continue the synthesis with either one)?

Correct Answer

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Provide the structure (a single resonance contributor) of the key intermediate in the following reaction. Provide the structure (a single resonance contributor) of the key intermediate in the following reaction.

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