In nucleophilic aromatic substitution reactions that proceed by the nucleophilic addition-elimination mechanism, the reaction rate increases as the electronegativity of the halogen leaving group increases: Ar-I < Ar-Br < Ar-CI < Ar-F. Which step does this suggest is the rate-determining step of the mechanism-the addition step or the elimination step? Explain.
In nucleophilic aromatic substitution reactions that proceed by the nucleophilic addition-elimination mechanism, the reaction rate increases as the electronegativity of the halogen leaving group increases: Ar-I < Ar-Br < Ar-CI < Ar-F. Which step does this suggest is the rate-determining step of the mechanism-the addition step or the elimination step? Explain.
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter21: Benzene And The Concept Of Aromaticity
Section: Chapter Questions
Problem 21.44P
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![In nucleophilic aromatic substitution reactions that proceed by the nucleophilic addition-elimination mechanism, the
reaction rate increases as the electronegativity of the halogen leaving group increases: Ar-I < Ar-Br < Ar-CI <
Ar-F. Which step does this suggest is the rate-determining step of the mechanism-the addition step or the
elimination step? Explain.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F93be5acb-4b4c-4e4c-ac57-3174f07121f3%2Feecde250-9a18-4ba9-afc1-a0877eb350ab%2Fv8sm468.png&w=3840&q=75)
Transcribed Image Text:In nucleophilic aromatic substitution reactions that proceed by the nucleophilic addition-elimination mechanism, the
reaction rate increases as the electronegativity of the halogen leaving group increases: Ar-I < Ar-Br < Ar-CI <
Ar-F. Which step does this suggest is the rate-determining step of the mechanism-the addition step or the
elimination step? Explain.
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