2.76 In Chapter 3, we will explore the factors that render compounds acidic or basic. Tropolone...
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2.76 In Chapter 3, we will explore the factors that render compounds acidic or basic. Tropolone (1) is a compound that is both fairly acidic and fairly basic (J. Org. Chem. 1997, 62, 3200-3207). It is acidic because it is capable of losing a proton (H*) to form a relatively stable anion (2), while it is basic because of its ability to receive a proton to form cation 3: H 2 3. (a) Draw all significant resonance structures of anion 2 and of cation 3. and explain why each of these ions is stabilized. (b) In compound 1, the bond lengths for the C-C bonds vary greatly and alternate in length (long, short, long, etc.). But in ions 2 and 3, the lengths of the bonds are similar. Explain. (c) The intramolecular hydrogen bonding interaction in 3 is signifi- cantly diminished in comparison to 1. Explain.no 2.76 In Chapter 3, we will explore the factors that render compounds acidic or basic. Tropolone (1) is a compound that is both fairly acidic and fairly basic (J. Org. Chem. 1997, 62, 3200-3207). It is acidic because it is capable of losing a proton (H*) to form a relatively stable anion (2), while it is basic because of its ability to receive a proton to form cation 3: H 2 3. (a) Draw all significant resonance structures of anion 2 and of cation 3. and explain why each of these ions is stabilized. (b) In compound 1, the bond lengths for the C-C bonds vary greatly and alternate in length (long, short, long, etc.). But in ions 2 and 3, the lengths of the bonds are similar. Explain. (c) The intramolecular hydrogen bonding interaction in 3 is signifi- cantly diminished in comparison to 1. Explain.no
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Business Communication
ISBN: 978-1439080153
8th edition
Authors: Buddy Krizan, Patricia Merrier, Joyce P. Logan, Karen Schneiter Williams
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