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Category > Chemistry Posted 27 Apr 2017 My Price 10.00

Lab 4: Synthesis of Esters

Lab 4: Synthesis of Esters
Purpose:
To synthetically prepare and detect the odors of a number of esters.
Procedure:
1. Prepare a hot water bath using a 400-mL beaker
2. Number the three test tubes and put 1mL of a different alcohol in each of the three test
tubes
3. Add 1 mL of salicylic acid and a couple of drops of sulphuric acid to test tube 1
4. Carefully add 1mL of acetic acid and a couple of drops of sulphuric acid to each of the
test tubes 2 and 3
5. Place all of the test tubes the water bath
6. After about 5 minutes, pour the contents of each test tube into a separate evaporating dish
and using the wafting method, identify the odour of each ester and record these
observations on the data table.
Data Table: Link: https://www.youtube.com/watch?v=YI-os7Py8SM Ali 2 Questions:
1. For each of the three reactions, draw structural diagram equations to represent each
of the three esterification reactions. Be sure to the IUPAC name of each reactant and
product.
2. What was the function of the concentrated sulfuric acid in these reactions?
3. Would the products of this investigation be soluble or insoluble in water? Explain
your answer using intermolecular forces.
4. Conclusion?

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SuperTutor
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Status NEW Posted 27 Apr 2017 03:04 AM My Price 10.00

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