4. (10 pts) For the following reaction, (a) label the ACID, BASE, CONJUGATE ACID, and CONJUGATE BASE; (b) find the pKa values using the included Table (at the end of this document) and use these values to determine the direction of the equilibrium; and (c) use curved arrows to show the flow of electrons. ose OH

4. (10 pts) For the following reaction, (a) label the ACID, BASE, CONJUGATE ACID, and CONJUGATE BASE; (b) find the pKa values using the included Table (at the end of this document) and use these values to determine the direction of the equilibrium; and (c) use curved arrows to show the flow of electrons. ose OH

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter4: Acids And Bases

Section: Chapter Questions

Problem 4.33P: Complete the equation for the reaction between each Lewis acid-base pair. In each equation, label...

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Complete the equation for the reaction between each Lewis acid-base pair. In each equation, label which starting material is the Lewis acid and which is the Lewis base; use curved arrows to show the flow of electrons in each reaction. In doing this problem, it is essential that you show valence electrons for all atoms participating in each reaction. (a) (b) (c) (d)
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но HO но он The pK, of ascorbic acid (vitamin C) is 4.17, showing that it is slightly more acidic than acetic acid (CH3CO0H, pKa 4.74). (a) Show the fou r different conjugate bases that would be formed by deprotonation of the four different OH groups in ascorbic acid. (b) Compare the stabilities of these four conjugate bases, and predict which OH group of ascorbic acid is the most acidic. (c) Compare the most stable conjugate base of ascorbic acid with the conjugate base of acetic acid, and suggest why these two compounds have similar acidities, even though ascorbic acid lacks the carboxylic acid (COOH) group.
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