5-The hydrolysis of a series of ethyl benzoates by hydroxide ion in 85% aqueous ethanol has been investigated. A Hammett plot of the second order rate constants (Kn) gave a reaction constant p = 2.56. Calculate how much faster ethyl 4- nitrobenzoate will undergo base catalyzed hydrolysis compared to ethyl benzoate under similar conditions. ON

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
Chapter22: Reactions Of Benzene And Its Derivatives
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5-The hydrolysis of a series of ethyl benzoates by hydroxide ion in 85% aqueous
ethanol has been investigated. A Hammett plot of the second order rate constants
(Ku) gave a reaction constant p = 2.56. Calculate how much faster ethyl 4-
nitrobenzoate will undergo base catalyzed hydrolysis compared to ethyl benzoate
under similar conditions.
ON
6-The PKa of p-chlorobenzoic acid is 3.98, and that of benzoic acid 4.19. Calculate
o-value of p-chloro group.
Transcribed Image Text:5-The hydrolysis of a series of ethyl benzoates by hydroxide ion in 85% aqueous ethanol has been investigated. A Hammett plot of the second order rate constants (Ku) gave a reaction constant p = 2.56. Calculate how much faster ethyl 4- nitrobenzoate will undergo base catalyzed hydrolysis compared to ethyl benzoate under similar conditions. ON 6-The PKa of p-chlorobenzoic acid is 3.98, and that of benzoic acid 4.19. Calculate o-value of p-chloro group.
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