Table 1. Miscibility of Coconut Oil and Solubility of Cholesterol Solvents Coconut Oil Cholesterol Water Ethanol Chloroform Ether Guide Questions: At which solvents are coconut oil and cholesterol miscible/soluble? Explain why. ________________________________________________________________________________________________________________________________________ During washing oily dishes, it is not enough to just use water. We need to use soap. Explain the function so soap in this situation.
Table 1. Miscibility of Coconut Oil and Solubility of Cholesterol
|
Solvents |
Coconut Oil |
Cholesterol |
|
Water |
|
|
|
Ethanol |
|
|
|
Chloroform |
|
|
|
Ether |
|
|
Guide Questions:
- At which solvents are coconut oil and cholesterol miscible/soluble? Explain why.
________________________________________________________________________________________________________________________________________
- During washing oily dishes, it is not enough to just use water. We need to use soap. Explain the function so soap in this situation.
________________________________________________________________________________________________________________________________________
Table 2. Spot Test
|
Substance |
Observation |
Inference (Volatile or Non-volatile) |
|
Coconut oil |
|
|
|
Glycerol |
|
|
|
Ethanol |
|
|
|
Ether |
|
|
Guide Question:
- What does it mean when something is volatile?
________________________________________________________________________________________________________________________________________
Table 3. Acrolein Test
Guide Question:
- Why can acrolein test be also used to detect the presence of fats and oils?
________________________________________________________________________________________________________________________________________
Guide Questions:
- Which of the oils above has the highest degree of unsaturation? Explain your choice.
________________________________________________________________________________________________________________________________________
- In terms of dietary consideration, which is more favorable, saturated or unsaturated oil?
________________________________________________________________________________________________________________________________________
Guide Question:
- What causes the acidity of rancid oils?
________________________________________________________________________________________________________________________________________
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