Exam 3 - CHEM 241 Exam #3 April 7, 2006 Name:_ Lab Section:...

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CHEM 241 Name:____________________ Exam #3 – April 7, 2006 Lab Section: M T F This exam ends at 9:25 am as indicated by the clock in Althouse 110. In the space provided, give the best answer (3 points each) __ A __ 1. Arrange these alkenes in order of increasing stability (least stable to most stable): I II III a) III < II < I c) II < I < III b) I < II < III d) II < III < I __ D __ 2. L-Dopa is a prodrug that the body converts into dopamine, the active ingredient in the treatment of Parkinson’s disease. L-Dopa has a formula of C 9 H 11 NO 4 . What is the Hydrogen Deficiency Index (HDI)? a) 2 b) 3 c) 4 d) 5 __ A __ 3. Identify the nucleophile in the second step of the formation of the bromohydrin below: Br 2 H 2 O Br a) H 2 O b) Br - c) OH - d) Br 2 OH __ C __ 4. Which of the following alkenes has the Z configuration? a) b) c) d) CN Cl CO 2 H HO OH __ B __ 5. The mass spectrum of 2-methylbutane shows large peaks at m/z = 57, 43, and 29. The most likely structure for the fragment at m/z = 43 is: a) b) c) d) CH 3 -CH 2 +
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__ A __ 6. Which of the following regions of the infrared spectrum would allow you to determine whether the S N 2 reaction of OH- with 1-iodobutane had taken place? I
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This note was uploaded on 04/17/2008 for the course CHEM 241 taught by Professor Crouch during the Spring '08 term at Dickinson.

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Exam 3 - CHEM 241 Exam #3 April 7, 2006 Name:_ Lab Section:...

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