Attempts Score 85 O 3/9/2015 11:55 PM A 1.8/5 Gradeboc Calculator Periodic Table

Question

Attempts Score 85 O 3/9/2015 11:55 PM A 1.8/5 Gradeboc Calculator Periodic Table Question 2 of 5 Map Deb pling Draw the products of the saponification of a triacylglycerol (triglyceride) STRATEGY: 1. Identify glycerol 2. Identify the fatty acids 3. Draw a fatty acid Step 1: A glycerol molecule has the following structure: CH2-OH CH OH CH2-OH Step 2: Select the atoms that are derived from fatty acids. Selected atoms will be highlighted green. Highlighting H atoms is optional. CH2 H2CH2CH2CH2CH2 CH2 CH2 CH2 CH2 CH2 CH3 H2CH2CH2C H2 CH2 CH2 CH2 CH2 CH2CH2 CH3 H2CH2CH2 CH2 CH2 CH2CH2CH2CH2CH2 CH3 CH2-O

Explanation / Answer

CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2- = R
M+= Cation

The products of the saponification are:
1.- Glycerol, as it's already identified in Step 1.
2.- Soap, 3R-COO- M+. (The 3 chains formed correspond to each of the three original fatty acids.)

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