OH -ОН I II III

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Rank the following enols in order of increasing stability:**

The illustration shows three different enol structures labeled I, II, and III. Each structure is a cyclohexene ring with a hydroxyl group (-OH) attached.

1. **Enol I**: This enol features a cyclohexene ring with a single double bond. The hydroxyl group is attached to the carbon adjacent to the double bond.

2. **Enol II**: This enol has two conjugated double bonds within the cyclohexene ring structure. The hydroxyl group is attached to the first carbon of the conjugated system.

3. **Enol III**: This enol also has two conjugated double bonds, but the arrangement of the double bonds is different from Enol II. The hydroxyl group is attached at the end of the conjugated system.

These structures are to be ranked based on their increasing stability, considering factors such as conjugation and hyperconjugation that affect enol stability.
Transcribed Image Text:**Rank the following enols in order of increasing stability:** The illustration shows three different enol structures labeled I, II, and III. Each structure is a cyclohexene ring with a hydroxyl group (-OH) attached. 1. **Enol I**: This enol features a cyclohexene ring with a single double bond. The hydroxyl group is attached to the carbon adjacent to the double bond. 2. **Enol II**: This enol has two conjugated double bonds within the cyclohexene ring structure. The hydroxyl group is attached to the first carbon of the conjugated system. 3. **Enol III**: This enol also has two conjugated double bonds, but the arrangement of the double bonds is different from Enol II. The hydroxyl group is attached at the end of the conjugated system. These structures are to be ranked based on their increasing stability, considering factors such as conjugation and hyperconjugation that affect enol stability.
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