Using aqueous hydrochloric acid, sodium bicarbonate, or sodium hydroxide solutions, devise a separation scheme using the style shown in Figure 12.10 to separate the following two-component mixtures. All the substances are soluble in ether. Also indicate how you would recover each of the compounds from its respective salts. -OHRWaterRCOO- Na+layerRCOOHAdd aq.NaHCO;RNH,Ether-HO-layerRR-C-R'RNH,(Dissolvedin ether)R-C-R'Addaq. NaOHEtherWaterlayerlayerEtherR-C-R'layerRNH,AddO- Na+aq. HCIRWaterR-C-R'R-NH,+ CIlayer2Figure 12.10Separating a four-component mixture by extraction. a. Give two different methods for separating this mixture.OH(CH3CH2CH2CH2)3NBrBrb. Give two different methods for separating this mixture.НОCH;CH,CH2CH,CH2CH,OHc. Give one method for separating this mixture.НОOHBrBr0=

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Answered: -OH R Water RCOO- Na+ layer RCOOH Add…

Chemistry by OpenStax (2015-05-04)

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ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter10: Liquids And Solids

Section: Chapter Questions

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Using aqueous hydrochloric acid, sodium bicarbonate, or sodium hydroxide solutions, devise a separation scheme using the style shown in Figure 12.10 to separate the following two-component mixtures. All the substances are soluble in ether. Also indicate how you would recover each of the compounds from its respective salts.

-OH
R
Water
RCOO- Na+
layer
RCOOH
Add aq.
NaHCO;
RNH,
Ether
-HO-
layer
R
R-C-R'
RNH,
(Dissolved
in ether)
R-C-R'
Add
aq. NaOH
Ether
Water
layer
layer
Ether
R-C-R'
layer
RNH,
Add
O- Na+
aq. HCI
R
Water
R-C-R'
R-NH,+ CI
layer
2
Figure 12.10
Separating a four-component mixture by extraction.

a. Give two different methods for separating this mixture.
OH
(CH3CH2CH2CH2)3N
Br
Br
b. Give two different methods for separating this mixture.
НО
CH;CH,CH2CH,CH2CH,OH
c. Give one method for separating this mixture.
НО
OH
Br
Br
0=

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