A. Solubility Fill-in the table below with + (soluble) or – (insoluble). Dilute N2OH Sample H2O Dilute Cold Hot CHCI3 Ether CCI4 HCI C;HŞOH C2H5OH Coconut oil Palmitic acid

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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A. Solubility
Fill-in the table below with + (soluble) or – (insoluble).
Dilute
NaOH
Sample
H2O
Dilute
Cold
Hot
CHCI3
Ether
CI4
HCI
C;H5OH C2H5OH
Coconut
oil
Palmitic
acid
B. Test for Unsaturation
No. of drops added until Br2
color is manifested
Rank the degree of
unsaturation
Sample
(4 as the most saturated)
Olive oil
Peanut oil
Corn oil
Coconut oil
C. Acrolein Test
Presence (+) or
Absence (-) of fumes
Glycerol group:
Present (+) or absent (-)
Sample
Glycerol
Coconut oil
Paraffin oil
beeswax
D. Modified Furter-Meyer Test
Color reaction of vitamin E with n-butyl alcohol
Transcribed Image Text:A. Solubility Fill-in the table below with + (soluble) or – (insoluble). Dilute NaOH Sample H2O Dilute Cold Hot CHCI3 Ether CI4 HCI C;H5OH C2H5OH Coconut oil Palmitic acid B. Test for Unsaturation No. of drops added until Br2 color is manifested Rank the degree of unsaturation Sample (4 as the most saturated) Olive oil Peanut oil Corn oil Coconut oil C. Acrolein Test Presence (+) or Absence (-) of fumes Glycerol group: Present (+) or absent (-) Sample Glycerol Coconut oil Paraffin oil beeswax D. Modified Furter-Meyer Test Color reaction of vitamin E with n-butyl alcohol
QUESTIONS:
1. Based on your experiment, enumerate the best solvents for lipids.
a)
c)
b)
d)
2. Classify the following lipids as unsaturated or saturated.
a) Oleic acid
b) Linoleic acid
3. Give the formula of the pungent substance produced when vegetable oil is heated
until it becomes smoky.
4. Give the expected result (positive or negative) of the following lipids with acrolein
test.
a) Corn oil
b) Palmitic acid
5. Give one group of compounds which contributes to the keeping quality of fats.
Transcribed Image Text:QUESTIONS: 1. Based on your experiment, enumerate the best solvents for lipids. a) c) b) d) 2. Classify the following lipids as unsaturated or saturated. a) Oleic acid b) Linoleic acid 3. Give the formula of the pungent substance produced when vegetable oil is heated until it becomes smoky. 4. Give the expected result (positive or negative) of the following lipids with acrolein test. a) Corn oil b) Palmitic acid 5. Give one group of compounds which contributes to the keeping quality of fats.
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