Lecture4finalCHM233(10)

Lecture4finalCHM233( - 1 Organic Chemistry Third Edition Janice Gorzynski Smith University of Hawai’i Chapter 2 4 • A Brønsted-Lowry acid is a

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Unformatted text preview: 1 Organic Chemistry , Third Edition Janice Gorzynski Smith University of Hawai’i Chapter 2 4 • A Brønsted-Lowry acid is a proton donor. • It must have a proton. • A Brønsted-Lowry base is a proton acceptor. • It must be able to form a bond to a proton. • A hydrogen atom without its electron is a proton. • H + = proton Brønsted-Lowry Acids and Bases 5 Brønsted-Lowry Acids and Bases Figure 2.1 6 Some molecules contain both hydrogen atoms and lone pairs and thus, can act either as acids or bases, depending on the particular reaction. Acidic and Basic Sites in Morphine 7 Reactions of Brønsted-Lowry Acids and Bases 8 Examples of Brønsted-Lowry Acid-Base Reactions 9 • The movement of electrons in reactions can be illustrated using curved arrow notation. • Because two electron pairs are involved in this reaction, two curved arrows are needed. • A double reaction arrow (indicating equilibrium) is used between starting materials and products to indicate that the reaction can proceed in the forward and reverse directions....
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This note was uploaded on 01/03/2012 for the course CHEM 233 taught by Professor Anamoore during the Fall '10 term at ASU.

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Lecture4finalCHM233( - 1 Organic Chemistry Third Edition Janice Gorzynski Smith University of Hawai’i Chapter 2 4 • A Brønsted-Lowry acid is a

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