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Qualitative Synthesis of Aspirin
Student Name
Date
1
Purpose
Procedure
Experimental Data and Calculations
Activity 1
Data Table
pH Determination
Well A1
Well A2
Well A3
Well A4
Well A1
Well A2
Well A3
Well A4
pH Strip Color
pH
Iron Chloride Test
Solution Color
Positive or Negative
for Phenol?
Photo
Insert a picture of the well plate.
Lab Questions
1. A student is asked to analyze different aspirin tablets, and determine which
ones are past the expiration date. Which test could the student employ, and
what would the results show?
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2
2. Could a student use fruit such as blueberries and blackberries as a source of
salicylic acid instead of willow bark? Why or why not?
3. Why is the reaction to produce aspirin performed in the presence of iron (III)
chloride?
4. List some experimental problems that could have occurred.
Conclusions
© 2016 Carolina Biological Supply Company
Molecular Stereochemistry
Student Name
Date
Activity
Fill out the table below. The configuration must match the model,
label the carbons if more than one chiral center is present.
If more than a configuration is possible, choose one to represent.
Compound
cis-1,2dichloro
cyclohexane
trans-1,2dichloro
cyclohexane
Picture of Model
# of
Chiral? Absolute
Chiral
Configuration
Centers
cis-1,3dibromo
cyclobutane
3-bromo-2pentanone
2-pentanol
2,3butanediol
4-methyl-2pentene
isoleucine
1,3-
difluoroallene
Lab Questions
1. Give 3 examples of chiral objects from everyday life (not body parts).
2. Describe what is a racemic mixture. Does it have any effect on plane
polarized light shining through it? Why or why not?
3. Can any of the compounds on the table exhibit Z/E configuration? If yes,
draw and identify the Z/E isomers.
4. Is the configuration of 1,1-difluoroallene the same as 1,3-difluoroallene? Why
or why not?
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