Chapter 11 - Chapter 11 Arenes and Aromaticity Student: _...

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Chapter 11 Arenes and Aromaticity Student: ___________________________________________________________________________ 1. What is the IUPAC name of the following compound? A. ortho -ethyliodobenzene B. para -ethylphenyl iodide C. para -ethyliodobenzene D. 1-ethyl-4-iodo-1,3,5-cyclohexatriene 2. How many isomeric dichlorobenzenes are there? A. no isomers - only a single compound B. 2 C. 3 D. 4 3. What is the IUPAC name of the following compound? A. 4- tert -butyl-3-chlorophenol B. 4- tert -butyl-5-chlorophenol C. ortho - tert -butylchlorophenol D. 2- tert -butyl- meta- chlorophenol
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4. What is the IUPAC name of the following compound? A. 6-phenylheptane B. 2-benzylheptane C. 2-methyl-2-pentylbenzene D. 2-phenylheptane 5. Which of the following is 2-chloro-4-ethylphenol? A. A B. B C. C D. D
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6. What is the correct IUPAC name of the following compound? A. 1,4-dibromo-3-nitrobenzene B. 1,4-dibromo-2-nitrobenzene C. 2-nitro-1,4-dibromobenzene D. 1-nitro-2,5-dibromobenzene 7. How many isomeric tribromobenzenes are possible? A. one B. two C. three D. four 8. Which of the following is not true concerning the structure of benzene? A. All C-C-C bond angles are exactly 120 o . B. The carbon-carbon bonds rapidly alternate between single and double bonds. C. The six hydrogens are equivalent. D. The π bonds are completely conjugated. 9. What is the IUPAC name of the following compound? A. 4,6-dichloro-2-benzoic acid B. 2,4-dichlorobenzoic acid C. 3,5-dichlorobenzoic acid D. meta -dichlorobenzoic acid
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The total number of resonance forms of the cyclopentadienide anion, C 5 H 5 ¯, is A. two. B. three. C. four. D. five. 11. Which of the following ions are aromatic species? A. I and III B. II and III C. II and IV D. III and IV 12. Identify the aromatic compounds. A.
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Chapter 11 - Chapter 11 Arenes and Aromaticity Student: _...

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