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CHM 102 Practice Questions Objective Question

Question

Which of the following statements is not true about triacylglycerols?
Options
A When solids and semisolids at room temperature, they are called fats.
B When liquids at room temperature, they are called oils.
C When hydrolyzed, they produce glycerol and carboxylate salts.
D Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature.
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Triacylglycerols with low melting points (oils) are composed of unsaturated fatty acids, not saturated fatty acids. Saturated fatty acids cause higher melting points (fats).

Hint

Which type of fatty acid gives lower melting points?

Question Info