A student was performing an acid-base extraction of a mixture of three compounds. The three compounds in the mixture are shown below. The mixture was extracted with 6 M HCI three times. The combined extractions were put into a flask marked A, which was treated with 1 M NAOH till it turned basic. This was then evaporated to obtain a crystal, which we label A. The remaining mixture was extracted with 6 M NaOH three times. The combined extractions were put into a flask marked A, which was treated with 1 M HCI till it turned acidicc. This was then evaporated to obtain a crystal, which we label B. The remaining mixture was evaporated to obtain a crystal, which we label C. The identity of A is Select] The identity of B is Select The identity of C is Select] HO NH2 2.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.17QAP
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A student was performing an acid-base extraction of a mixture of three compounds. The three
compounds in the mixture are shown below. The mixture was extracted wilth 6 M HCI three times.
The combined extractions were put into a flask marked A, which was treated with 1 M NAOH till it
turned basic. This was then evaporated to obtain a crystal, which we label A.
The remaining mixture was extracted with 6 M NaOH three times. The combined extractions were
put into a flask marked A, which was treated with 1 M HCI till it turned acidic. This was then
evaporaled to obtain a crystal, which we label B.
The remaining mixture was evaporated to obtain a crystal, which we label C.
The identity of A is
Select]
The identity of B is (Select)
The identity of Cis
Select]
OH
NH2
3
Transcribed Image Text:A student was performing an acid-base extraction of a mixture of three compounds. The three compounds in the mixture are shown below. The mixture was extracted wilth 6 M HCI three times. The combined extractions were put into a flask marked A, which was treated with 1 M NAOH till it turned basic. This was then evaporated to obtain a crystal, which we label A. The remaining mixture was extracted with 6 M NaOH three times. The combined extractions were put into a flask marked A, which was treated with 1 M HCI till it turned acidic. This was then evaporaled to obtain a crystal, which we label B. The remaining mixture was evaporated to obtain a crystal, which we label C. The identity of A is Select] The identity of B is (Select) The identity of Cis Select] OH NH2 3
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