Он CH3 a H3C-CH-CH3 and b CH3CHCH2CH3 What IR absorption would you use to distinguish between the two compounds above? |cm-! Enter a frequency, or range as lower freq-higher freq, from the table above. Which compound will exhibit this absorption?

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Functional Group Absorption (cm')
Functional Group Absorption (cm)
Functional Group
Absorption (cm)
Alkane C-H
2850-2960
Alkyl halide C–Cl
600-800
Aldehyde C=0
1730
Alkane C-C
800-1300
Alkyl halide C-Br
500-600
Ketone C=0
1715
Alkene =C-H
3020-3100
Alcohol O-H
3400-3650
Ester C=0
1735
Alkene C=C
1640-1680
Alcohol C-O
1050-1150
Amide C=0
1690
Alkene RCH=CH2 910 and 990
Arene C–H
3030
Carboxylic acid C=0
1710
1660-2000
Alkene R2C=CH2
890
Aromatic ring C=C
Carboxylic acid O–H 2500-3100
1450-1600
Alkyne =C-H
3300
Amine N-H
3300-3500
Nitrile C=N
2210-2260
Alkyne C=C
2100-2260
Amine C-N
1030-1230
Nitro NO2
1540
OH
CH3
a H3C-CH-CH3
and
b CH3CHCH2CH3
What IR absorption would you use to distinguish between the two compounds above?
-1
cm
Enter a frequency, or range as lower freq-higher freq, from the table above.
Which compound will exhibit this absorption?
Transcribed Image Text:Functional Group Absorption (cm') Functional Group Absorption (cm) Functional Group Absorption (cm) Alkane C-H 2850-2960 Alkyl halide C–Cl 600-800 Aldehyde C=0 1730 Alkane C-C 800-1300 Alkyl halide C-Br 500-600 Ketone C=0 1715 Alkene =C-H 3020-3100 Alcohol O-H 3400-3650 Ester C=0 1735 Alkene C=C 1640-1680 Alcohol C-O 1050-1150 Amide C=0 1690 Alkene RCH=CH2 910 and 990 Arene C–H 3030 Carboxylic acid C=0 1710 1660-2000 Alkene R2C=CH2 890 Aromatic ring C=C Carboxylic acid O–H 2500-3100 1450-1600 Alkyne =C-H 3300 Amine N-H 3300-3500 Nitrile C=N 2210-2260 Alkyne C=C 2100-2260 Amine C-N 1030-1230 Nitro NO2 1540 OH CH3 a H3C-CH-CH3 and b CH3CHCH2CH3 What IR absorption would you use to distinguish between the two compounds above? -1 cm Enter a frequency, or range as lower freq-higher freq, from the table above. Which compound will exhibit this absorption?
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