Refer to the structures of glutamic acid below: At a pH of 7, which of the following would be the dominant structure in solution? (pKa1 = 2.10, pKa2 = 9.47, pKa3 = 4.07) A B D H3N OH H2N COOH H3N+ COO- CH2 CH2 CH2 CH2 CH2 CH2 OH OH CH2 CH2
Added by Ignacio W.
Close
Step 1
At pH 7, we need to compare the pH with the pKa values to determine the protonation state of each functional group. Show more…
Show all steps
Your feedback will help us improve your experience
Courtney Sorensen and 65 other Chemistry 101 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Draw the structure of histidine at the following pH's: a) pH = 1.9 b) pH = 7.7 c) pH = 10.55
Adi S.
At pH 14, which of the following is the dominant structure of glycine: a) NH2-CH2-COOH b) NH3+-CH2-COOH c) NH2-CH3+-COOH d) NH2-CH2-COO- e) NH3+-CH2-COO-
Prasha M.
Draw the structure of glutamic acid at low pH, at high pH, and at the two forms that exist between low pH and high pH. Which of these structures represents the zwitterion?
Recommended Textbooks
Chemistry: Structure and Properties
Chemistry The Central Science
Chemistry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD