Exam%203%20Spr%202005

Exam 3 Spr 200 - Name CHEM235 SPRING 2005 Examination 3(Mar.16 2005 This examination is worth 100 points in your total grade of 1000 for this

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Name CHEM235 – SPRING 2005 Examination 3 (Mar.16, 2005) This examination is worth 100 points in your total grade of 1000 for this course. It consists of 6 questions, each worth 20 points, and a bonus question worth 10 points. YOU ARE REQUIRED TO ANSWER FIVE OF THE SIX QUESTIONS . Read each question carefully – you may not have to answer all sections of each question. Where you are only required to answer some of the sections of a question, you must indicate clearly which of those sections you wish to have graded. Abbreviations and Data: PCC pyridinium chlorochromate DIBAH diisobutylaluminium hydride DCM dichloromethane THF tetrahydrofuran mCPBA m -chloroperbenzoic acid Question 1 (20 points) . (a) Give two examples of a very good nucleophile. (b) Give two examples of a relatively poor nucleophile. (c) Give an example of a very poor nucleophile. (d) Describe a method you might use to make a carbonyl group more reactive towards a relatively poor nucleophile. (e) Describe two conditions that a reagent must meet in order to be defined as a catalyst.
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This note was uploaded on 10/28/2010 for the course CHEM 235 taught by Professor Dr.poole during the Spring '10 term at Ball State.

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Exam 3 Spr 200 - Name CHEM235 SPRING 2005 Examination 3(Mar.16 2005 This examination is worth 100 points in your total grade of 1000 for this

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