1. How is a fatty acid different from a fat? 2. How are the properties of satura
ID: 499305 • Letter: 1
Question
1. How is a fatty acid different from a fat?2. How are the properties of saturated fats different from unsaturated fats?
3. How does the structure of a triacylglycerop change in a saponification reaction?
4. How does saponification produce a salt?
5. How is the structure of a saturated fatty acid different from an unsaturated fatty acids? 1. How is a fatty acid different from a fat?
2. How are the properties of saturated fats different from unsaturated fats?
3. How does the structure of a triacylglycerop change in a saponification reaction?
4. How does saponification produce a salt?
5. How is the structure of a saturated fatty acid different from an unsaturated fatty acids?
2. How are the properties of saturated fats different from unsaturated fats?
3. How does the structure of a triacylglycerop change in a saponification reaction?
4. How does saponification produce a salt?
5. How is the structure of a saturated fatty acid different from an unsaturated fatty acids?
Explanation / Answer
Q1.
fatty acids --> are acids which contain an acid group + long hydrocarbon chain
fat --> typically composed of three long hydrocarbon chains, they all contain ester gropus C-O-C=O group
Q2.
sat. fat vs. unsat fat.
saturated --> will contain more Hydrogens, no double bonds, higher melting points, heavier in mass
unsaturated --> less Hydrogens, due to at least 1 or 2 double bonds, lower melting points, light in mass
Q3.
saponification will get a glycerol + 3 soap molecules from the fat + base
the strong base helps in this process
Q4.
saponification produces salt since there is presence of astrong base, such as NaOH, and the ionization of the R1-COO- ion
Q5.
the structure changes mainly in double bonds vs. non double bonds. Saturated, as the name implies, states plenty of Hydrogen in carbon chain
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