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CHEM 341 Workshop Questions Week 2 IUPUI

CHEM 341 Workshop Questions Week 2 IUPUI - reaction...

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Name___________________________________ C341 Workshop Section____________________ September 2/3, 2010 Workshop 2 Questions 1. State the hybridization of the atoms and approximate bond angles in phenylacetic acid. O OH 2. State which of the following compounds is the stronger acid. How do you know this? O + H H pKa -2 SH pKa 7 Is the stronger acid a very strong, weak, very weak, or extremely weak acid? 3. Compare the strengths of the following acids to acetic acid? CO 2 H OCH 3 CO 2 H Si(CH 3 ) 3
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4. For each of the following reactions, designate the acids and the bases, and use curved arrows to show the bond-making and bond-breaking processes as the
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Unformatted text preview: reaction proceeds in the forward and reverse directions. Circle the major species at equilibrium. Start by drawing complete Kekule-Lewis structures, showing all bonding and nonbonding electron pairs at the reaction centers. O OH + NH 3 O O-+ NH 4 + pKa 4.7 O OH + NH 3 +OH OH + NH 2-pKa 34 pKa-6 H 3 C H +-NH 2 C-H 3 C + NH 3 pKa 24 pKa 34 +-NH 2 + NH 3 pKa 50 pKa 34 H 3 C CH 3 H 3 C CH 2-a. b. c. d. 5. Predict the products for the following reactions. H 3 C O OH HO O O-+ CH 3 OCH 3 + HOSO 2 OH + +NH 3 a. b. c.-OH...
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