Transcript
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3. ACID/BASES and INTRODUCTION TO ORGANIC REACTIONS. (approx. lecture time: 1.5 hr)Topics covered: 3.1-3.7, 3.10, 3.12, 3.13.
“Without organic reactions, there wouldn’t be life or much of anything else that is worthwhile”
Simple acid-base reactions
Lewis acid-base reaction
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Basic Reaction Types
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Basic Bond Cleavages
Will cover in Chapter 10
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Bond Formation
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Trends in Acidity (pKa)
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Trends in Acidity (pKa)
Having more s character means that the electrons of the anion will be closer to the positively charged nucleus and hence lowers the energy (more stable)
Hybridization sp sp2 sp3
% S character 50% 33% 25%
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Examples of Reactions
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Examples of Reactions
HCl acid/base
heterolyticcleavage
nucleophilic attack
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Use of Reaction Arrows in Organic Chemistry