Chapter 12 - Chapter 12 Reactions of Arenes - Electrophilic...

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Chapter 12 Reactions of Arenes - Electrophilic Aromatic Substitution Student: ___________________________________________________________________________ 1. What is the product of the following reaction? A. isobutylbenzene B. 2-methyl-1-phenylpropene C. sec -butylbenzene D. tert -butylbenzene 2. The major product(s) in the nitration of benzoic acid is(are) A. mixture of ortho and para -nitrobenzoic acid. B. nitrobenzene. C. meta -nitrobenzoic acid. D. nitrobenzene and para -nitrobenzoic acid.
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3. Which of the following aromatic compounds reacts faster than benzene in electrophilic aromatic bromination? A. A B. B C. C D. D 4. Nitration of benzoic acid has a reaction rate which is __________ than the nitration rate of benzene and gives primarily the _____________ product(s). A. slower, meta B. slower, ortho,para C. faster, ortho,para D. faster, meta 5. Which one of the following is the electrophile in the reaction shown below? A. benzene B. NO 3 ¯ C. NO 2 + D. H 2 SO 4
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6. What is the electrophile in the Friedel-Crafts alkylation reaction below? A. AlCl 3 B. Cl¯ C. benzene D. (CH 3 ) 3 C + 7. Which point on the potential energy diagram corresponds to the species shown to the right for the electrophilic bromination of benzene with Br 2 /FeBr 3 ? A. A B. B C. C D. D 8. Which species below best depicts the electrophile in the FeBr 3 -catalyzed bromination of benzene? A. Br 2 B. FeBr 4 - C. D. FeBr 3
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9. Which one of the following reactions does not give tert -butylbenzene? A. benzene + (CH 3 ) 3 CCl/AlCl 3 B. benzene + (CH 3 ) 2 C=CH 2 /H 2 SO 4 C. benzene + (CH 3 ) 3 CH/AlCl 3 D. benzene + (CH 3 ) 3 COH/H 2 SO 4 10. Which point on the potential energy diagram corresponds to the species shown to the right for the electrophilic nitration of benzene with HNO 3 /H 2 SO 4 ? A.
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This note was uploaded on 09/14/2010 for the course CHE Chem 232 taught by Professor Clement during the Summer '10 term at CUNY Lehman.

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Chapter 12 - Chapter 12 Reactions of Arenes - Electrophilic...

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