
Concept explainers
The amino acid alanine is a solid at room temperature and has a melting point of

Interpretation:
The reason for alanine which is solid to have a melting point of
Concept introduction:
Structure of alanine is as follows:
Alanine is a hydrophobic amino acid as it has only one
Structure of pyruvic acid is as follows:
Answer to Problem 21P
Due to the strong electrostatic force of attraction alanine is solid and has a high melting point of
Explanation of Solution
Alanine is a hydrophobic amino acid also an ionic salt with strong electrostatic forces. Therefore, alanine has a high melting point of
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Chapter 21 Solutions
General, Organic, and Biological Chemistry - 4th edition
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