Final_Wi05 - NU Chem 210-2, Winter 2005 Final exam 2 1. (30...

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NU Chem 210-2, Winter 2005 Final exam 2 1. (30 pts) Complete the following reactions, be careful to give all the major carbon-containing products, starting materials, or reagents. Clearly indicate the stereochemistry when relevant. If there is no reaction, say so. Assume that Friedel-Crafts alkylation can be stopped at single alkylation. a) b) O N O O c) CF 3 CF 3 O 2 N N O d) O O O e) N O OH f)
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NU Chem 210-2, Winter 2005 Final exam 3 2. (30 pts) a) (5 pts) Using Hückel’s rule only, classify the following as-drawn planar molecules as being aromatic, antiaromatic, or neither. Write your answers below the molecule. If you cannot tell, say so. B H B H N HH NO H b) (4 pts) Match the following compounds with the following pK a values: 4.3, 4.19, 3.98, and 3.41. Write the appropriate pK a values below the correct molecule. 4-nitrobenzoic acid benzoic acid 4-chlorobenzoic acid 4-methylbenzoic acid c) (4 pts) Match the following compounds with the following pK a values: 18.0, 9.95, 7.1, and 7.8.
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Final_Wi05 - NU Chem 210-2, Winter 2005 Final exam 2 1. (30...

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