Test _1 CHE 3332 (Sp 06)

Test _1 CHE 3332 (Sp 06) - Test #1 CHE 3332 (Sp 06)...

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Test #1 CHE 3332 (Sp 06) Created: 6:24:30 PM CST Student: _________________________________________________________ 1. 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 ? 2. Rank the following compounds in order of decreasing reactivity to aromatic electrophilic bromination. I. benzene II. toluene III. benzoic acid IV. phenol A. IV > II > I > III B. IV > III > II > I C. II > I > IV > III D. II > III > IV > I 3. What is the electrophile in the Friedel-Crafts alkylation reaction below? A. AlCl 3 B. Cl¯ C. benzene D. (CH 3 ) 3 C + 4. Which of the following is the best method to make n- butylbenzene? 5. What is the major product of the following reaction? A. 4-ethyl-2-nitrophenol B. 4-ethyl-3-nitrophneol C. 1-ethyl-4-nitrobenzene D. 4-nitrophenol
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6. Which isomer of dichlorobenzene gives a single mononitration product? A. ortho B. meta C. para D. none of them 7. Identify the preferred site(s) of electrophilic attack on the following compound. A. ortho/para positions on ring 1 B. meta position on ring 1 C. ortho/para positions on ring 2 D. meta position on ring 2 8. Which of the following is the best method to make meta -bromoethylbenzene from benzene? 9. Where would the compound shown below undergo bromination with Br 2 /FeBr 3 ? A. ortho/para position on ring 1 B. meta position on ring 1 C. ortho/para position on ring 2 D. meta position on ring 2 10. Starting with toluene, which of the following is the best method to make the ether shown below? (Assume you can separate ortho and para isomers.)
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11. Which of the following has only a single peak in its proton NMR spectrum? A. only I B. only II C. I and II D. I, II, and III 12. How many different sets of equivalent protons are there for para -xylene (1,4-dimethylbenzene)? A.
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Test _1 CHE 3332 (Sp 06) - Test #1 CHE 3332 (Sp 06)...

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