4-Using Hammett equation, calculate the relative acidity of each of the following: 1. m-methoxybenzoic acid II. p-methoxy benzoic acid Comment on result you obtain

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4-Using Hammett equation, calculate the relative acidity of each of the following:
1. m-methoxybenzoic acid
II. p-methoxy benzoic acid
Comment on result you obtain
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
(K») 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.
O.N
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:4-Using Hammett equation, calculate the relative acidity of each of the following: 1. m-methoxybenzoic acid II. p-methoxy benzoic acid Comment on result you obtain 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 (K») 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. O.N 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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