Determine what is the unknown (Uk 21), using the information provided. Be able to explain how you found the functional group, structure, and were able to determine what it is.

Fundamentals Of Analytical Chemistry
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ISBN:9781285640686
Author:Skoog
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Chapter4: Calculations Used In Analytical Chemistry
Section: Chapter Questions
Problem 4.24QAP
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Determine what is the unknown (Uk 21), using the information provided. Be able to explain how you found the functional group, structure, and were able to determine what it is. 

Solubility Tests
unknown
Water
NaHCOз
NaOH
HCI
H2SO4
uk13
i
i
i
i
uk14
i
i
i
i
uk15
i
i
i
i
uk16
i
i
i
i
uk17
i
i
i
i
uk18
i
i
i
i
uk19
i
i
uk20
i
uk21
i
uk22
i
uk23
i
i
i
i
uk24
i
i
i
S = soluble, i = insoluble
Functional group tests
FeCl: (Ferric
detected? hydroxamate)
Brz test need HBr gas
unknown
H2Cro4
2,4-DNP
Brz
heat?
uk13
na
na
uk14
na
na
uk15
na
na
n
uk16
p
y
y
uk17
n
na
na
uk18
n
y
y
uk19
y
uk20
n
na
na
uk21
n
y
uk22
y
y
uk23
n
na
na
uk24
n
n
y
p = positive, n = negative, y = yes, n = no, na = not applicable
IR Spectroscopy bands detected (1/cm)
unknown
uk13
1700, strong
uk14
1700, strong
3600-3200,
uk15
broad.
1700, strong.
uk16
1600-1500,
medium
uk17
1700, strong
1600-1500,
uk18
medium
3500-3200,
medium.
uk19
1600-1500,
medium
3600-3200,
uk20
broad.
3600-3200,
broad. 1600-
uk21
1500,
medium
1700, strong.
uk22
1600-1500,
medium
3600-3200,
uk23
broad.
1600-1500,
uk24
medium
Transcribed Image Text:Solubility Tests unknown Water NaHCOз NaOH HCI H2SO4 uk13 i i i i uk14 i i i i uk15 i i i i uk16 i i i i uk17 i i i i uk18 i i i i uk19 i i uk20 i uk21 i uk22 i uk23 i i i i uk24 i i i S = soluble, i = insoluble Functional group tests FeCl: (Ferric detected? hydroxamate) Brz test need HBr gas unknown H2Cro4 2,4-DNP Brz heat? uk13 na na uk14 na na uk15 na na n uk16 p y y uk17 n na na uk18 n y y uk19 y uk20 n na na uk21 n y uk22 y y uk23 n na na uk24 n n y p = positive, n = negative, y = yes, n = no, na = not applicable IR Spectroscopy bands detected (1/cm) unknown uk13 1700, strong uk14 1700, strong 3600-3200, uk15 broad. 1700, strong. uk16 1600-1500, medium uk17 1700, strong 1600-1500, uk18 medium 3500-3200, medium. uk19 1600-1500, medium 3600-3200, uk20 broad. 3600-3200, broad. 1600- uk21 1500, medium 1700, strong. uk22 1600-1500, medium 3600-3200, uk23 broad. 1600-1500, uk24 medium
Rel. Abundance
00'0-
00'I
00'7
00'E
uudd
00'
00'S
00'9
00'L
779620.56
OG1 =pW o
z/w
096
120
0.0
20-
40어
F09
F08
MASS SPECTRUM
Transcribed Image Text:Rel. Abundance 00'0- 00'I 00'7 00'E uudd 00' 00'S 00'9 00'L 779620.56 OG1 =pW o z/w 096 120 0.0 20- 40어 F09 F08 MASS SPECTRUM
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