Lab 6 Pre-Lab.docx - Transfer Hydrogenation of Olive Oil...

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Transfer Hydrogenation of Olive Oil Introduction: Olive oil is an unsaturated fat commonly used in cooking, cosmetics, and pharmaceuticals. It is also known as triolein and can react with cyclohexene to form a saturated fat, tristearin. Cyclohexene is one of several organic molecules that can function as a hydrogen source. One or more equivalent hydrogens can be transferred from cyclohexene and attach to the olive oil molecules. Hydrogenation processes occur with the presence of a catalyst and this lab will be using palladium. Once the reaction takes place, the cyclohexene and triolein will form benzene and tristearin. The balanced chemical equation for this reaction is shown below and can be carried out using reflux and celite pipet filtration techniques. The celite pipet filtration device can be assembled using a filter paper, copper wire, and a small cotton plus. As the experiment ends, there will be a collection of filtrate, the hydrogenate of olive oil, that can then be analyzed for melting point and compared to the table of reagents.
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