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• Question 7: What alkenes are formed from each alkyl halide by an E2 reaction? Use the Zaitsev rule to predict the major product. [The Zaitsev rule: The major product in ß elimination has the more substituted double bond.]

• Question 7: What alkenes are formed from each alkyl halide by an E2 reaction? Use the Zaitsev rule to predict the major product. [The Zaitsev rule: The major product in ß elimination has the more substituted double bond.]

Chemistry
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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**Question 7:** What alkenes are formed from each alkyl halide by an E2 reaction? Use the Zaitsev rule to predict the major product. *The Zaitsev rule:* The major product in β elimination has the more substituted double bond. **Alkyl Halides:** a. - Structure: CH₃–C–CH₂CH₃ | | H CH₃ | Br b. - Structure: Cyclopentane with a Br substituent. c. - Structure: Linear chain with three methylene groups and a Cl substituent at the end. d. - Structure: Cyclohexane with two CH₃ substituents and a Cl substituent adjacent to one CH₃ group. **Explanation:** For each structure, determine the alkene formed by identifying which hydrogen is abstracted during the E2 reaction, leading to a double bond. Apply the Zaitsev rule by choosing the pathway that results in the most substituted (more branched) alkene as the major product.
Transcribed Image Text:**Question 7:** What alkenes are formed from each alkyl halide by an E2 reaction? Use the Zaitsev rule to predict the major product. *The Zaitsev rule:* The major product in β elimination has the more substituted double bond. **Alkyl Halides:** a. - Structure: CH₃–C–CH₂CH₃ | | H CH₃ | Br b. - Structure: Cyclopentane with a Br substituent. c. - Structure: Linear chain with three methylene groups and a Cl substituent at the end. d. - Structure: Cyclohexane with two CH₃ substituents and a Cl substituent adjacent to one CH₃ group. **Explanation:** For each structure, determine the alkene formed by identifying which hydrogen is abstracted during the E2 reaction, leading to a double bond. Apply the Zaitsev rule by choosing the pathway that results in the most substituted (more branched) alkene as the major product.
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