Answered: H. H. phenol ethanol

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Chemistry

H. H. phenol ethanol

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter15: Carboxylic Acids And Esters

Section: Chapter Questions

Problem 15.54E

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Question

As we will learn in Section 13.12, many antioxidants–compounds that prevent unwanted radical oxidation reactions from occurring–are phenols, compounds that contain an OH group bonded directly to a benzene ring.

a. Explain why homolysis of the O–H bond in phenol requires considerably less energy than homolysis of the O–H bond in ethanol (362 kJ/mol vs. 438 kJ/mol).

b.Why is the C–O bond in phenol shorter than the C–O bond in ethanol?

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