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Question
Near a pH of 5.5, L-lysine (R = -(CH2)4NH2) the major species in aqueous solution is the diprotonated zwitterion. Given the following acid dissociation constants, what is the correct structure of the zwitterion?| Functional | Group Ka |
| carboxylic acid | 1.7 x10-2 |
| amine | 8.5 x10-10 |
| side chain amine | 1.51 x10-11 |
A)
B)
C)
D)
E)
Answer
This answer is hidden. It contains 1 characters.
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