2240_exam2_practice_sp03

2240_exam2_practice_sp03 - St. John’s University...

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St. John’s University Department of Chemistry Chemistry 2230 4/1/03 Departmental Examination #2 Version 1 NAME _________________________ Last 4 digits, StormCard #__________ I DO DO NOT WANT MY GRADE POSTED INSTRUCTOR'S NAME (Circle one): Cesare Graham Kalas THERE ARE 12 (TWELVE) PAGES TO THIS EXAM INSTRUCTIONS 1. Write your name and the last 4 digits of your StormCard on this page and on the answer (scantron) sheet. 2. Use the examination pages and the blank scrap page to work out your answers. 3. For each of the 25 questions, indicate the correct answer on the scantron with a # 2 pencil. Each question is worth four points. 4. You may use your molecular model set. NO OTHER MATERIALS ARE PERMITTED. 5. Hand in the examination questions and the scantron sheet. 6. You will have 90 minutes to complete the exam. Remember: There is only ONE answer that BEST answers the question. PROPER CONDUCT DURING EXAMS: 1. Communication between students by any means is prohibited. 2. Possession of any unauthorized papers is prohibited. 3. No paging devices or cell phones are allowed. MAKE SURE THEY ARE TURNED OFF AND PUT AWAY 4. All books, papers, and jackets should be placed in the front/sides of the room. 5. Violation of any of the above rules will result in a grade of zero.
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A B C D X Ph 3 P Y n -BuLi Z CH 2 Br O H C CH 2 O CH 2 HO CH 2 1) What is the structure of Product Z in the following reaction sequence? C D 2) What is the structure of Product Z in the following reaction sequence? (Ph = phenyl group, n -Bu = n -butyl group) C B A B C D W HNO 3 H 2 SO 4 X Br 2 FeBr 3 Y Zn HCl Z 1) HCl, NaNO 2 2) CuBr Br NO 2 NO 2 NO 2 Br Br Br Br
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3) Rank the amines shown below from most basic to least basic. B A) I, II, III B) II, I, III C) III, II, I D) II, III, I 4) Consider the methoxy (–OCH 3 ) and nitro (–NO 2 ) substituents and their effects in electrophilic aromatic substitution. Which of the following statements is true? C
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This note was uploaded on 04/07/2008 for the course CHEM 2240 taught by Professor Graham during the Spring '08 term at St. Johns Duplicate.

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2240_exam2_practice_sp03 - St. John’s University...

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