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Chapter 25: Q3P (page 1305)

Give an equation for the complete transesterification of triolein using an excess of methanol as the alcohol and sodium hydroxide as the catalyst.

Short Answer

Expert verified

Transesterification is also called alcoholysis, it is the displacement of alcohol from an ester by another alcohol.

Step by step solution

01

 General concept

Transesterification is also called alcoholysis, it is the displacement of alcohol from an ester by another alcohol.

02

Step 2:Transesterification of triolein

Triolein is trans-esterified in the presence of an alkaline catalyst (NaOH) with an excess of methanol. The glycerol layer is drawn off while the upper methyl ester layer is washed to remove entrained glycerol and is then processed further.

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Most popular questions from this chapter

Several commercial laundry soaps contain water-softening agents, usually sodium carbonate (Na2CO3) or sodium phosphate (Na3PO4or Na2HPO4). Explain how these water-softening agents allow soaps to be used in water that is hard by virtue of its-

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