Stearic Acid, a Fatty Acid Commonly Found in Animal Fat

question 85

Multiple Choice

Stearic acid, a fatty acid commonly found in animal fat, has a condensed chemical formula of CH₃(CH₂) ₁₆COOH.It is a common component of soaps and detergents.Which stataement below is FALSE?

• A)The -COOH group would experience hydrogen bonding with water.
• B)The long alkane "tail," CH₃(CH₂)₁₆^-, is hydrophobic.
• C)Stearic acid and water are probably miscible.
• D)Stearic acid would probably dissolve in nonpolar solvents such as hexane, C₆H₁₄.
• E)Stearic acid contains hydrophilic and hydrophobic regions.

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