CHEM Ch1 Problem Set

CHEM Ch1 Problem Set - CHEMISTRY 241 PROBLEMS CHAPTER 1 1....

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1 CHEMISTRY 241 PROBLEMS CHAPTER 1 1. Provide a Lewis structure for each of the following. Include all nonbonding pairs of valence electrons and assign any formal charges. a. [CH 3 CH 2 OH 2 ] + b. (CH 3 ) 3 NO c. CH 3 CONHCH(CH 3 )CHO d. [(CH 3 ) 2 N] - 2. For each of the following Lewis structures, draw the other important structures which would contribute to the resonance hybrid and indicate which will be the more important and the less important contributors. Assume that full octets and maximum number of bonds are the major factors in determining the importance of structures. a. b. c. Cl H OH C C C O O H H H H H H C C C C CH 3 O H H H 3. Below are given structures for three carbocations which differ significantly in their relative stabilities. Indicate which are the least stable and most stable cations by filling in the blanks, and briefly explain with words and structures the reason for the differences in stabilities. H
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CHEM Ch1 Problem Set - CHEMISTRY 241 PROBLEMS CHAPTER 1 1....

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