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О ОН pKa=4.86 ОН 17.33

О ОН pKa=4.86 ОН 17.33

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Explain why the pa values of the indicated hydrogen atoms change for these two compounds

The image contains two chemical structures along with their associated pKa values. 1. The first structure is of acetic acid, which is composed of a carboxylic acid group. The diagram shows a double-bonded oxygen (O) and a hydroxyl group (OH) attached to a carbon atom, with another carbon branch. The pKa value for this compound is given as 4.86. 2. The second structure represents ethanol, which consists of a hydroxyl group (OH) attached to a two-carbon chain. The pKa value associated with this molecule is 17.33. In general, the pKa values indicate the acidity of the compounds. Lower pKa values correspond to stronger acids. Hence, acetic acid with a pKa of 4.86 is a stronger acid compared to ethanol, which has a pKa of 17.33.
Transcribed Image Text:The image contains two chemical structures along with their associated pKa values. 1. The first structure is of acetic acid, which is composed of a carboxylic acid group. The diagram shows a double-bonded oxygen (O) and a hydroxyl group (OH) attached to a carbon atom, with another carbon branch. The pKa value for this compound is given as 4.86. 2. The second structure represents ethanol, which consists of a hydroxyl group (OH) attached to a two-carbon chain. The pKa value associated with this molecule is 17.33. In general, the pKa values indicate the acidity of the compounds. Lower pKa values correspond to stronger acids. Hence, acetic acid with a pKa of 4.86 is a stronger acid compared to ethanol, which has a pKa of 17.33.
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