What type of oxygen-based functional groups may be present in the molecule, based on the IR? Can the molecule contain a/an: aldehyde? [ Select ] ["Yes", "No"] alcohol? [ Select ] ["Yes", "No"] carboxylic acid? [ Select ] ["Yes", "No"] ester? [ Select ] ["Yes", "No"] ether? [ Select ] ["Yes", "No"] ketone? Molecule: C6H12O Degree of unsaturation=1

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Chapter1: Chemical Foundations
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What type of oxygen-based functional groups may be present in the molecule, based on the IR? Can the molecule contain a/an:

aldehyde? [ Select ] ["Yes", "No"]

alcohol? [ Select ] ["Yes", "No"]

carboxylic acid? [ Select ] ["Yes", "No"]

ester? [ Select ] ["Yes", "No"]

ether? [ Select ] ["Yes", "No"]

ketone?

Molecule: C6H12O

Degree of unsaturation=1

Bonding
C-H
C=C
C=C
C=O
alkane
-CH₂
-CH₂-
alkene
O-H
Characteristic Infrared
Absorption Frequencies
alkyne
arene
aldehyde
alkene
arene
alkyne
alcohol, ether,
N-H
C=N
ester, carboxylic
acid
anhydride
amide
carboxylic acid
ketone
aldehyde
ester
anhydride
acid chloride
alcohol, phenol free
hydrogen bonded
carboxylic acid
amine and amide
nitrile
*m = medium, s = strong, w=weak
Frequency (cm-¹)
2850-3000
1375 and 1450
1450-1475
3000-3100
650-1000
3300
3030
690-900
2720
1600-1680
1450 and 1600
2100-2250
1000-1100 (sp³ C—0)
1200-1250 (sp² C—0)
900-1300
1630-1680
1700-1725 sor
1630-1820
1630-1820
1735-1800
1740-1760 and
1800-1850
1800
3600-3650
3200-3500
2500-3300
3100-3550
2200-2250
Intensity*
m
w-mn
m
W-m
S
m-s
w-m
S
W
w-m
m
W
$
S
S
S
S
oftains
217930BT
. S
НО ЯМИ О
W
m
S
m-s
Type of Vibration
(Stretching unless noted)
m
bending
bending
out-of-plane bending
out-of-plane bending
Transcribed Image Text:Bonding C-H C=C C=C C=O alkane -CH₂ -CH₂- alkene O-H Characteristic Infrared Absorption Frequencies alkyne arene aldehyde alkene arene alkyne alcohol, ether, N-H C=N ester, carboxylic acid anhydride amide carboxylic acid ketone aldehyde ester anhydride acid chloride alcohol, phenol free hydrogen bonded carboxylic acid amine and amide nitrile *m = medium, s = strong, w=weak Frequency (cm-¹) 2850-3000 1375 and 1450 1450-1475 3000-3100 650-1000 3300 3030 690-900 2720 1600-1680 1450 and 1600 2100-2250 1000-1100 (sp³ C—0) 1200-1250 (sp² C—0) 900-1300 1630-1680 1700-1725 sor 1630-1820 1630-1820 1735-1800 1740-1760 and 1800-1850 1800 3600-3650 3200-3500 2500-3300 3100-3550 2200-2250 Intensity* m w-mn m W-m S m-s w-m S W w-m m W $ S S S S oftains 217930BT . S НО ЯМИ О W m S m-s Type of Vibration (Stretching unless noted) m bending bending out-of-plane bending out-of-plane bending
102₁
100-
95-
90-
85-
80-
75-
70-
65-
60-
55-
50-
45-
40-
35+
4000
Unknown C
NEAT
3500
2958.34cm-1
3000
2873.97cm-1
2500
cm-1
1737.03cm-1
2000
1467.20cm-1
1436.10cm-1
1368.69cm-1
1295.67cm-1
1500
1256.23cm-1
1194.98cm-1
881.86cm-1
1100.65cm-1
1121.14cm-1
953.75cm-1
1167.92cm-1
1000
711.28cm-1 592.08cm-1
830.91cm-1
1011.55cm-1
500 450
Transcribed Image Text:102₁ 100- 95- 90- 85- 80- 75- 70- 65- 60- 55- 50- 45- 40- 35+ 4000 Unknown C NEAT 3500 2958.34cm-1 3000 2873.97cm-1 2500 cm-1 1737.03cm-1 2000 1467.20cm-1 1436.10cm-1 1368.69cm-1 1295.67cm-1 1500 1256.23cm-1 1194.98cm-1 881.86cm-1 1100.65cm-1 1121.14cm-1 953.75cm-1 1167.92cm-1 1000 711.28cm-1 592.08cm-1 830.91cm-1 1011.55cm-1 500 450
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