In the box provided, write the IR frequency or range of frequencies that would best distinguish between the two compounds shown. Specify which compound (A or B) will display a band at this frequency in its IR spectrum. (Choose the most prominent frequency. Do not include units in your answer. Use only the frequencies listed in the table given above. Write the letter of the compound, followed by the range of frequencies, separated by a comma. Example. "A,1600-1850") A Compound (A or B), IR frequency or range of frequencies: | cm-!

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Characteristic IR Absorptions of Some Functional Groups
Functional Group Absorption (cm)
Intensity
Functional Group Absorption (cm)
Intensity
Alkane
Alkene
С-Н
2850-2960
Medium
=C-H
3020-3100
Medium
C=C
1640-1680
Medium
Alkyne
Alkyl halide
=C-H
3300
Strong
C-Cl
600-800
Strong
C=C
2100-2260
Medium
С-Br
500-600
Strong
Alcohol
Amine
О-Н
3400-3650
Strong, broad N-H
3300-3500
Medium
С-О
1050-1150
Strong
С-N
1030-1230
Medium
Arene
Carboxylic acid
С-Н
3030
Weak
О-Н
2500-3100
Strong, broad
1660-2000
Weak
C=C
1450-1600
Medium
Carbonyl compound
Nitrile
C=0
1670-1780
Strong
C=N
2210-2260
Medium
Nitro
NO2
1540
Strong
In the box provided, write the IR frequency or range of frequencies that would best distinguish between the two compounds shown. Specify which compound (A or B) will display a
band at this frequency in its IR spectrum.
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Transcribed Image Text:Characteristic IR Absorptions of Some Functional Groups Functional Group Absorption (cm) Intensity Functional Group Absorption (cm) Intensity Alkane Alkene С-Н 2850-2960 Medium =C-H 3020-3100 Medium C=C 1640-1680 Medium Alkyne Alkyl halide =C-H 3300 Strong C-Cl 600-800 Strong C=C 2100-2260 Medium С-Br 500-600 Strong Alcohol Amine О-Н 3400-3650 Strong, broad N-H 3300-3500 Medium С-О 1050-1150 Strong С-N 1030-1230 Medium Arene Carboxylic acid С-Н 3030 Weak О-Н 2500-3100 Strong, broad 1660-2000 Weak C=C 1450-1600 Medium Carbonyl compound Nitrile C=0 1670-1780 Strong C=N 2210-2260 Medium Nitro NO2 1540 Strong In the box provided, write the IR frequency or range of frequencies that would best distinguish between the two compounds shown. Specify which compound (A or B) will display a band at this frequency in its IR spectrum. Previous Next
In the box provided, write the IR frequency or range of frequencies that would best distinguish between the two compounds shown. Specify which compound (A or B) will display a
band at this frequency in its IR spectrum.
(Choose the most prominent frequency. Do not include units in your answer. Use only the frequencies listed in the table given above. Write the letter of the compound, followed
by the range of frequencies, separated by a comma. Example. "A,1600-1850")
A
B
Compound (A or B), IR frequency or range of frequencies:
m²1
Transcribed Image Text:In the box provided, write the IR frequency or range of frequencies that would best distinguish between the two compounds shown. Specify which compound (A or B) will display a band at this frequency in its IR spectrum. (Choose the most prominent frequency. Do not include units in your answer. Use only the frequencies listed in the table given above. Write the letter of the compound, followed by the range of frequencies, separated by a comma. Example. "A,1600-1850") A B Compound (A or B), IR frequency or range of frequencies: m²1
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