Functional Group Absorption (cm) Functional Group Absorption (cm³¹) Alkane C-H 2850-2960 Alkyl halide C-Cl Alkyl halide C-Bri Alkane C-C Alkene C-H Alkene C C Alkene RCH=CH, 910 and 990 Alkene R₂C=CH, Alkyne SC-H Alkyne CEC OH a H₂C-CH-CH₂ 800-1300 3020-3100 1640-1680 890 3300 2100-2260 Alcohol O-H Alcohol C-O Arene C-H Aromatic ring CC Amine N-H Amine C-N CH₂ and b CH₂CHCH₂CH₂ 600-800 500-600 3400-3650 1050-1150 3030 1660-2000 1450-1600 3300-3500 1030-1230 What IR absorption would you use to distinguish between the two compounds above? Enter a frequency, or range as lower freq-higher freq, from the table above. Functional Group Aldehyde CO Ketone C=O Ester CO Amide C-O Nitrile CEN Nitro NO₂ Absorption (cm) cm 1 1730 1715 1690 Carboxylic acid C=O 1710 Carboxylic acid O-H 2500-3100 1735 2210-2260 1540
Functional Group Absorption (cm) Functional Group Absorption (cm³¹) Alkane C-H 2850-2960 Alkyl halide C-Cl Alkyl halide C-Bri Alkane C-C Alkene C-H Alkene C C Alkene RCH=CH, 910 and 990 Alkene R₂C=CH, Alkyne SC-H Alkyne CEC OH a H₂C-CH-CH₂ 800-1300 3020-3100 1640-1680 890 3300 2100-2260 Alcohol O-H Alcohol C-O Arene C-H Aromatic ring CC Amine N-H Amine C-N CH₂ and b CH₂CHCH₂CH₂ 600-800 500-600 3400-3650 1050-1150 3030 1660-2000 1450-1600 3300-3500 1030-1230 What IR absorption would you use to distinguish between the two compounds above? Enter a frequency, or range as lower freq-higher freq, from the table above. Functional Group Aldehyde CO Ketone C=O Ester CO Amide C-O Nitrile CEN Nitro NO₂ Absorption (cm) cm 1 1730 1715 1690 Carboxylic acid C=O 1710 Carboxylic acid O-H 2500-3100 1735 2210-2260 1540
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter10: Organic Chemistry
Section: Chapter Questions
Problem 10.52P
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