Which (if any) of the ionized forms of the amino acid below would you NOT expect

Question

Which (if any) of the ionized forms of the amino acid below would you NOT expect to be present in aqueous solution?

Can someone explain why the answer is C. I am not sure how to go about solving this problem.

lHework 2 » 2 (4 pts) Which (if any) of the ionized forms of the amino acid below would you NOT expect to be prese coo COOH HIN-CH CHN O None: H2 CH2 CH all can be present CH CH OH NH2 Incorrect A Incorrect B Correct: C Incorrect D Incorrect E Incorrect F None: All can be present Computer's answer now shown above. Incorrect. Tries 2/99 Previous Tries This discussion is closed.

Explanation / Answer

to be present in aqueous solution, a compound needs to interact with water by ionic interactions and C is the only aminoacid that have all of its functional group neutralized and got no charge on it whatsoever. so it can not induce ionic interaction when present in water.

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