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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Transcribed Image Text:Question 28 of 30
<.
O Attempt 5
Estimate the pK, values for the functional group classes represented by the given molecules.
CEC H
NH3
HO
HO,
50
35
10
25
15
Answer Bank
O O 0 11:2
Expert Solution

Step 1
Dissociation of a weak acid is given by:
For the strong acid, the value of Ka will be greater than the weak acid. The negative logarithm of the Ka is known as pKa. The pKa of an acid is given by:
Due to the negative logarithm, the pKa value of a strong acid is less than a weak acid.
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