Chemistry 33 Friday, November 17, 2006

Chemistry 33 Friday, November 17, 2006 - Friday, November...

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Friday, November 17, 2006 Chemistry ACID BASICS How are acid/base reactions differ from other types of reactions? How do we define an acid or a base? Text: Sections 12.0 – 12.1 BOND FORMING REACTIONS 1. Molecules with unpaired e- very reactive (“radicals”) a. Not many around b. Most atoms have “octets” 2. Most bond forming reactions: a. One reactant supplies 2e- b. Other reactant supplies 0e- i. New covalent bond 1. Lewis base 2. Lewis acid 3. Major principle in covalent bond formation: Areas of + charge Interact with Areas of – charge (e- deficient) (e- rich) Lewis Acid Lewis Base lOOK for: lOOK for: * cations * anions * + formal charge * - formal charge * δ + charge in * δ – charge in polar bonds Polar bonds * lone pairs * multiple bonds DIAGRAMMING LEWIS A/B REACTIONS 1. Draw Lewis structures of reactants/products
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This note was uploaded on 03/20/2008 for the course CH 101 taught by Professor Bigham during the Fall '08 term at N.C. State.

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Chemistry 33 Friday, November 17, 2006 - Friday, November...

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