As we will learn in Section 15.12, 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? -O-H CH,CH2-0-H phenol ethanol
As we will learn in Section 15.12, 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? -O-H CH,CH2-0-H phenol ethanol
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter13: Substitution
Section: Chapter Questions
Problem 2E
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![As we will learn in Section 15.12, 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?
-O-H
CH,CH2-0-H
phenol
ethanol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd84e449-50f1-430a-ae7f-cd65935debb5%2F15a30210-7d5d-4b11-938a-164636c65d67%2Fmpp3bii_processed.png&w=3840&q=75)
Transcribed Image Text:As we will learn in Section 15.12, 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?
-O-H
CH,CH2-0-H
phenol
ethanol
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