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The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.

Jayant Kumar , 11 Years ago
Grade 11
anser 1 Answers
Suraj Prasad

Last Activity: 10 Years ago

Amino acids have two functional groups -NH2 and -COOH.Hence the amino acids exists as a dipolar ion (or) zwitter ion.As a result strong eletrostatic forces exists between zwitter ions.hence amino acids have high melting & boiling points.
H2N-CH(R)-COOH <--------------> +H3N-CH(R)-COO-
amino acid zwitter ion

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