C343 - Experiment #5 Preparation of Synthetic Banana Oil

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Last updated 12:59 AM on 4/29/26
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13 Terms

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Purpose of this experiment

Synthesize banana oil via reflux, and confirm the reaction occurred using IR and GC

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Ester

COOR

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What are esters for

Strong Odors

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Artificial flavouring

isopentyl acetate

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What are you forming in this equation

isopentyl acetate

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How is this ester formed?

Fischer Esterification

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Process

heat carboxylic acid with alcohol with catalyst

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How do you increase reaction efficiency?

Apply Le Chat’s principle to shift equilibrium towards products

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How can you obtain pure component?

Separate using solubilities, boiling points, acid base properties, etc

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What is the mixture at the end of reflux? (4)

Unreacted acetic acid, sulfuric acid, water, unreacted isopentyl alcohol

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Water

will be separated from the ester

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Isopentyl acetate

insoluble in water

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Aqueous sodium bicarbonate

convert acid to salts