Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Chapter 6, Problem 22E

Double bonds do not rotate freely under normal conditions. The change from Z to E requires areaction. This can occur in the presence of a catalyst or with the addition of a large amount ofenergy (e.g., at high temperature).
One such reaction is diagramed below:
(1) Add enough potential energy to break the double bond ( E act ) .
(2) free rotation occurs at high energy transition state, then
(3) reforming the double bond as a mixture of Z and E.
Draw E-2-butene in one box and Z-2-butene in the other box, and explain your reasoning.
Chapter 6, Problem 22E, Double bonds do not rotate freely under normal conditions. The change from Z to E requires

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Organic Chemistry: A Guided Inquiry

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