Tutorial 2 Answers - CHEM2OA3 Oct. 4, 2010 Tutorial 2 1....

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CHEM2OA3 Oct. 4, 2010 Tutorial 2 1. The IR spectrum represents the structure of which compound? Why? O O O O OH HO A B C HUGE OH peaks (compound A), maybe (maybe) some fine structure at 1700-1900 suggesting aromatic (compound A); NO CARBONYL at 1700-1750, can’t be compound C. Compound B has no distinguishing features. OH AROM No C=O
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How about this one D E F No AROMATIC at 1700-1900 cm -1 ; no C C at 2200; clean H-C=C at 3064; must be compound F 4. Provide reagents or compounds in the following reaction sequence. You should show FOR EACH STEP a mechanism using curly arrows.
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H H Li + A B O Li H H O O H D + Li O O H C O H Li E Br D D F H Li H O O H H Br O Li O D D 5. The pKa for Brookoic Acid was shown to be 4.19. The Kb for Sodium Capprettaoate was determined to be 3.0 x 10 -6 . a) Where will the equilibrium below lie? Assume the equilibrium process is initiated by making a solution in water that is 1M each in Caprettaoic acid and Sodium Brookate. Caprettaoic acid + sodium Brookate
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This note was uploaded on 05/16/2011 for the course CHEM BIO 20a3 taught by Professor Stover during the Fall '10 term at McMaster University.

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Tutorial 2 Answers - CHEM2OA3 Oct. 4, 2010 Tutorial 2 1....

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