What predominant form(s) of glycine are present where the pH = pka2? pH 13 7 Glycine pK₁ = 2.34 0.5 5 pK₂=9.60 6 pl = 5.97 4 1 OH (equivalents) 1.5 2

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter6: Solutions And Colloids
Section: Chapter Questions
Problem 6.71P: 6-71 A 4 M acetic acid (CH3COOH) solution lowers the freezing point by-8°C; a 4 M KF solution yields...
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What predominant form(s) of glycine are present where the pH = pka2?
pH
13
7
0
0
Glycine
pK₁ = 2.34
0.5
H₂N-CH₂-COO™
+H3N-CH2-COO™
H3N-CH₂-COO™
+H3N-CH₂-COOH
5
pK2 = 9.60
6
pl = 5.97
4
1
OH (equivalents)
1.5
2
Transcribed Image Text:What predominant form(s) of glycine are present where the pH = pka2? pH 13 7 0 0 Glycine pK₁ = 2.34 0.5 H₂N-CH₂-COO™ +H3N-CH2-COO™ H3N-CH₂-COO™ +H3N-CH₂-COOH 5 pK2 = 9.60 6 pl = 5.97 4 1 OH (equivalents) 1.5 2
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