Exam (elaborations)
GOC Assignment 7
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Include questions related to separation of compounds by extraction.
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CHM 1321 AAssignment 7
1) Use a flow chart to illustrate how you could separate each of the following mixtures using an
extraction. Be sure to include all steps and reagents (appropriate reagents can be found in
the lab manual).
a) and OH
O
b) and
N
NH O
c) and CO2H
NH O O
c) and and
OH
a)
and OH
O
Add Et2O (or other organic solvent)
Add NaOH in H2O
O
O Et2O
H 2O Extract
O
O 1) Dry over MgSO4
2) remove Et2O
Add Et2O
Add HCl
OH
O
Extract Et2O
H 2O
OH
NaCl
O
1) Dry over MgSO4
2) remove Et2O
OH
O
, b)
N
and
Add Et2O (or other organic solvent)
Add HCl in H2O
H
N
H2O Extract Et2O
H
N
1) Dry over MgSO4
2) remove Et2O
Add Et2O
Add NaOH
N
Extract Et2O
H2O
N
NaCl
1) Dry over MgSO4
2) remove Et2O
N
c)
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