Question

Fisher Esterification lab.

1. What can happen if the water produced in the reaction is not removed, and the same conditions of reflux and temperature continue?

2. Complete the following table by writing the missing names:

Carboxylic Acid Alcohol Ester 2-Isopropyl Methylpentanoate Isopropanol Methanol salicylic acid

3. Consider the start of the reaction (time 0) when all the reagents necessary to carry out the esterification have been mixed.

a. What signals of the corresponding IR spectrum of that initial reagent mixture should be observed to change significantly when the reaction is complete?

b. What signals of the corresponding 1H NMR spectrum of that initial reagent mixture should be observed to change significantly when the reaction is complete?

4. If you suspect that your product is contaminated with alcohol used in excess in the reaction. What spectroscopic technique would you use to confirm it? Explain

Answer 1

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