practice problems (chap 10 &11 & Synthesis)

practice problems (chap 10 &11 & Synthesis)...

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PRACTICE PROBLEMS FOR CHAPTER 10 AND 11 Chapter 10 1. Rank the following acids in increasing order of acidity AND Explain. SH OH OH 2. Provide the products of the following reactions. Indicate if the reactants or products are favored at equilibrium. OH + Na 2 CO 3 + NaOH + NaH Compound pKa 10 7.8 18 10.2 15.7 H 2 O OH SH OH OH HCO 3 - SH H 2 35
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3. Draw the mechanism for each of the reactions and give the major products for the reactions . LiAlH 4 O OCH 3 NaBH 4 O OCH 3 O O H O O NaBH 4 O H LiAlH 4 H 2 O H 2 O H 2 O H 2 O O H 3 CO PhMgCl O H MgBr C O CH 3 Cl CH 3 MgBr H 2 O H 2 O H 2 O
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Cl O i) Li Cl ii) CuI iii) Br Br i) Mg ii) CO 2 iii) HCl/H 2 O (work-up) Cl i) 2Li ii) (CH 3 ) 2 CO iii) H3O+ (work-up) i) Li Br ii) CuI iii) Br i) Mg ii) CH 3 OH
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Chapter 11 1. Predict the major products of the following reactions . H 3 C CH 3 CH 3 OH Na 2 Cr 2 O 7 H 2 SO 4 OH O OH CrO 3 , H 2 SO 4 OH PCC CH 2 Cl 2 DMSO/(COCl) 2 (CH 3 CH 2 ) 3 N CH 2 Cl 2 H 2 O Swern HOH 2 CH 2 C CH 2 CH 2 OH 2HBr heat C CH 3 CH 3 OH HCl OH HBr CH 3
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i) NaH ii) CH 3 CH 2 Br THF OH OH
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This note was uploaded on 03/03/2010 for the course CHEM 237 taught by Professor Chong during the Fall '10 term at Illinois Tech.

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practice problems (chap 10 &11 & Synthesis)...

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