Q46 of 71 Page 209

Amino acids behave like salts rather than simple amines or carboxylic acids. Explain.

An amino acid contains an –NH2 group as well as –COOH. In aqueous solution of the amino acid, the –COOH group loses a proton [H]+ and the –NH2 gains a proton to form a zwitter ion which is a salt.


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