W08 quiz2 key

W08 quiz2 key - Dr. Manashi Chatterjee Chem 30 A Winter...

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Unformatted text preview: Dr. Manashi Chatterjee Chem 30 A Winter 2008 AWOka v KC 1 Last Name I Signature Student ID Number : Name of your TA: Bree (Please Circle) Total: Discussion Section - Day : / Chem 30 A Winter 2008 Quiz # 2 (15 mins) Wednesday February 13, 2008 Electronegativity values for some atoms (Pauling scale) DO NOT OPEN THIS EXAM UNTIL INSTRUCTED TO DO SO Chem 30 A Winter 2008 Dr. Manashi Chatterjee Quiz # 2 1. [8 + 6 points] Circle the FOUR compounds that are Meso? CI CH3CH2 2f H \\ H\\\ 01/ ‘CHZCH3 (/. 3 1} OH CH3CH2 E H H CI CHZCHa V /’ V j VII What is the relationship between Compound I and III: SQ l :S ,S (enantiomers, diastereomers, identical, constitutional isomers, no relation) 2. [5 + 2 points] Draw the structure of the intermediate carbocation formed in the proton transfer reaction shown below. \ ——-————> The alkene is acting as (Bronsted acid/ Bronsted base/ Conjugate acid / Conjugate base) Dr. Manashi Chatter/2e Chem 30 A Winter 2008 Quiz # 2 3. [6 +4+4 points] Assign the absolute configuration to each chiral carbon in compound 1. Draw the Fischer formula for an enantiomer and a diastereomer of compound 1. HO CHO A H x J H /OH\ CHZOH Compound I mm_,_mwfim 7’ ““| mLo :Lm 3&0 Mfmm No-8 mfwm ...
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W08 quiz2 key - Dr. Manashi Chatterjee Chem 30 A Winter...

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