Recitation__1_Aug_26 - mechanistic arrows. H 3 C C O O H +...

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Organic Recitation #1 August 26, 2007 Chemistry 357 - Qatar Organic Chemistry for the Life Sciences Recitation Exercises 1. Give the formal charge on each atom and the net charge on each species in the following structures. NOTE: All valence electrons are shown. Cl O O O O Net charge: ________ O C C H O H 3 C H Net charge: ________ C C C C C C N O O H H H H H Net charge: ________ 2. For each of the molecular structures shown below, provide the correct molecular formula and units of unsaturation. Molecular Formula: Units of Unsaturation: O Molecular Formula: Units of Unsaturation: O OH Molecular Formula: Units of Unsaturation: O H H 2 N Molecular Formula: Units of Unsaturation:
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3. A) The following reaction is one often used in general chemistry when discussing acid-base chemistry. Complete the reaction by providing ALL product species. Show mechanistic “curved arrows” to illustrate the flow of electrons during the course of the chemical transformation. NOTE: You will need to show the relevant lone pair electrons before showing
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Unformatted text preview: mechanistic arrows. H 3 C C O O H + H H O B) The following example is a reaction we will utilize later in the course to form alkoxide ions from alcohols. Complete the mechanism and give the products ( HINT: Ammonia is one of the products). H 3 C CH O CH 3 H + H H N 4. For the molecular formulae provided below, provide a valid molecular structure that contains the functional group(s) specified. Your structure should contain ONLY the specified functional group plus any alkane or cycloalkane (sp 3 hybridized) carbons necessary to complete your structure. Be careful to draw structures so they best reflect proper bond angles . Show all valence electrons (ie. bonding and non-bonding pairs). C 10 H 18 Alkane Alkene Alkyne C 7 H 12 O 2 Carboxylic acid Alcohol Ester C 8 H 14 O Ketone carbonyl Ether Aldehyde carbonyl C 9 H 17 NO Amide Amine and ketone carbonyl Amine and Alcohol...
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This note was uploaded on 03/29/2009 for the course CHEM 3570 taught by Professor Ganem, b during the Fall '06 term at Cornell University (Engineering School).

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Recitation__1_Aug_26 - mechanistic arrows. H 3 C C O O H +...

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