1. Here we have two molecules. First one is the salicylic acid and the second one is the acetyl salicylic acid. You can see the pKa values under the molecules. According to the pKa values Salicylic acid is more acidic. Explain why. COOH COOH COCH 3 Salicylic acid Acetyl Salicylic acid pKa: 2.97 pКa: 3.50

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter20: Carboxylic Acids And Nitriles
Section20.3: Biological Acids And The Henderson–hasselbalch Equation
Problem 5P: Calculate the percentages of dissociated and undissociated forms present in the following solutions:...
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1. Here we have two molecules. First one is the salicylic acid and the second one is the acetyl salicylic acid.
You can see the pKa values under the molecules. According to the pka values Salicylic acid is more acidic.
Explain why.
COOH
COOH
COCH 3
OH
Salicylic acid
Acetyl Salicylic acid
pKa: 2.97
pKa: 3.50
Transcribed Image Text:1. Here we have two molecules. First one is the salicylic acid and the second one is the acetyl salicylic acid. You can see the pKa values under the molecules. According to the pka values Salicylic acid is more acidic. Explain why. COOH COOH COCH 3 OH Salicylic acid Acetyl Salicylic acid pKa: 2.97 pKa: 3.50
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