19) Zaitsev's rule states that in substitution reactions, the most highly substituted alkene product is the major product. A) True B) False

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Question 19:** Zaitsev's rule states that in substitution reactions, the most highly substituted alkene product is the major product.

A) True  
B) False

**Explanation:**

Zaitsev's Rule most commonly applies to **elimination** reactions, not substitution reactions. It predicts that in an elimination reaction, the most stable (or highly substituted) alkene is favored as the major product. This stability is due to hyperconjugation and the inductive effect. In contrast, substitution reactions focus on replacing a leaving group with a nucleophile, rather than forming an alkene. Therefore, the statement as it stands is false in the context of substitution reactions.
Transcribed Image Text:**Question 19:** Zaitsev's rule states that in substitution reactions, the most highly substituted alkene product is the major product. A) True B) False **Explanation:** Zaitsev's Rule most commonly applies to **elimination** reactions, not substitution reactions. It predicts that in an elimination reaction, the most stable (or highly substituted) alkene is favored as the major product. This stability is due to hyperconjugation and the inductive effect. In contrast, substitution reactions focus on replacing a leaving group with a nucleophile, rather than forming an alkene. Therefore, the statement as it stands is false in the context of substitution reactions.
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