***Molecule: 7-chloro-4-ethylhept-2-ene Assignment 5: Separation Scheme CorrectionOn a page titled Incorrect Separation Scheme print the incorrect separation scheme provided for your molecule on Blackboard. The top of the separation scheme shows what other compound is mixed with your molecule. Assume for the purposes of this assignment that both compounds are solid at room temperature. Also assume that both compounds are soluble in ether, except ionic compounds. The goal of the separation is the isolate each of the two compounds from the mixture.Below the incorrect separation scheme write a discussion of this incorrect scheme identifying all of the mistakes in the separation scheme. Keep in mind that there will be more than one mistake in the scheme.For each mistake, give a detailed, scientific explanation of why it is incorrect. On a page titled Correct Separation Scheme print/draw a correct separation scheme to isolate your molecule from the provided second molecule. Make sure to indicate the phase of each chemical in every step (s, l, g, aq) and write the separation technique used in each step (ie: vacuum filtration). The list below gives the reagents available in the lab. Use any of the reagents below to isolate the compounds. Remember that the simplest separation scheme is the best one. Try to avoid unnecessary steps. · 10% aqueous NaOH· H2O· 5% aqueous NaHCO3· H3PO4· 6M HCl· anhydrous Na2SO4· 5% HCl· anhydrous MgSO4· Diethyl ether (ether)· Saturated NaCl· CH3OH· Sodium borohydride (NaBH4)· lithium aluminum hydride (LiAlH4)· NaCl solid Incorrect Separation SchemeH₂NH₂NaqH₂NNaether, 50% NaOH6M HCI, vac. filtrationaqNaCletheretherevap, etherNa₂SO₂, filtrationetherNa₂SO₂ 10H₂O Incorrect Separation SchemeIncorrect Separation Schemethe excess of acidwill protonate theNH2 and N will geta (+) charge and noNa is attached tothe org baseYou need abase toneutralize theexcess of acid inthe aq layer andremove a Hfrom the NH3(+) to form theorganic baseback. The solidbase willprecipitate andbe remove withvacuum filtrationH₂Nether, 50-N 5% HCI40% NaOHetet, vac. filtrationaqNaCletheretheranhydrous gravityNa SO, filtrationether+traces of waterevap, etherSetherNa 50, 10H₂0You need an acid to protonate the org baseyou need to dry the org layer after adding the 5%HCI, which incorporate water, using anhydrousNa2SO4 follow by a gravity filtration.NOTE: you never use vacuum filtration in the orglaver since it could cause and explosion

Molecule: 7-chloro-4-ethylhept-2-ene To discuss the incorrect scheme identifying all of the…

Answered: Molecule: 7-chloro-4-ethylhept-2-ene…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 99AP

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***Molecule: 7-chloro-4-ethylhept-2-ene

Assignment 5: Separation Scheme Correction

On a page titled Incorrect Separation Scheme print the incorrect separation scheme provided for your molecule on Blackboard. The top of the separation scheme shows what other compound is mixed with your molecule. Assume for the purposes of this assignment that both compounds are solid at room temperature. Also assume that both compounds are soluble in ether, except ionic compounds. The goal of the separation is the isolate each of the two compounds from the mixture.
- Below the incorrect separation scheme write a discussion of this incorrect scheme identifying all of the mistakes in the separation scheme. Keep in mind that there will be more than one mistake in the scheme.
- For each mistake, give a detailed, scientific explanation of why it is incorrect.

On a page titled Correct Separation Scheme print/draw a correct separation scheme to isolate your molecule from the provided second molecule. Make sure to indicate the phase of each chemical in every step (s, l, g, aq) and write the separation technique used in each step (ie: vacuum filtration). The list below gives the reagents available in the lab. Use any of the reagents below to isolate the compounds. Remember that the simplest separation scheme is the best one. Try to avoid unnecessary steps.

· 10% aqueous NaOH	· H₂O
· 5% aqueous NaHCO₃	· H₃PO₄
· 6M HCl	· anhydrous Na₂SO₄
· 5% HCl	· anhydrous MgSO₄
· Diethyl ether (ether)	· Saturated NaCl
· CH₃OH	· Sodium borohydride (NaBH₄)
· lithium aluminum hydride (LiAlH₄)	· NaCl solid

Incorrect Separation Scheme
H₂N
H₂N
aq
H₂N
Na
ether, 50% NaOH
6M HCI, vac. filtration
aq
NaCl
ether
ether
evap, ether
Na₂SO₂, filtration
ether
Na₂SO₂ 10H₂O

Incorrect Separation Scheme
Incorrect Separation Scheme
the excess of acid
will protonate the
NH2 and N will get
a (+) charge and no
Na is attached to
the org base
You need a
base to
neutralize the
excess of acid in
the aq layer and
remove a H
from the NH3
(+) to form the
organic base
back. The solid
base will
precipitate and
be remove with
vacuum filtration
H₂N
ether, 50-N 5% HCI
40% NaOH
etet, vac. filtration
aq
NaCl
ether
ether
anhydrous gravity
Na SO, filtration
ether
+traces of water
evap, ether
Sether
Na 50, 10H₂0
You need an acid to protonate the org base
you need to dry the org layer after adding the 5%
HCI, which incorporate water, using anhydrous
Na2SO4 follow by a gravity filtration.
NOTE: you never use vacuum filtration in the org
laver since it could cause and explosion

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