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a) Methoxy ethylene (H2C=CHOCH3) and propanal (CH3CH2CHO) are constitutional isomers. State the wavenumbers and bonds associated to differentiate these isomers as in IR table provided.

a) Methoxy ethylene (H2C=CHOCH3) and propanal (CH3CH2CHO) are constitutional isomers. State the wavenumbers and bonds associated to differentiate these isomers as in IR table provided.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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a) Methoxy ethylene (H2C=CHOCH3) and propanal (CH3CH2CHO) are constitutional isomers. State the wavenumbers and bonds associated to differentiate these isomers as in IR table provided.
Transcribed Image Text:a) Methoxy ethylene (H2C=CHOCH3) and propanal (CH3CH2CHO) are constitutional isomers. State the wavenumbers and bonds associated to differentiate these isomers as in IR table provided.
Wavenumber, cm1 Bond Functional Group C- H (sp°, 2960-2850(s) Alkanes 2760 - 2700, 2860 - 2800 (w), (a pair of bands) С-Н Aldehydes 3080 - 3020 (m) C- H (sp?, Alkenes 3100 - 3000 (m) C-H Aromatic Rings 3333 - 3267 (s) C- H (sp) Alkynes 1680-1640 (m, w) C=C Alkenes 2260 - 2100 (m) C=C Alkynes Aromatic Rings 1600, 1500 (w), usually shows several peaks C=C 1400 - 1090 (s) C-O Alcohols, Ethers, Esters 1320-1210 (m) C-O Carboxylic acids 1760 - 1670 (s) Aldehydes, Ketones, Carboxylic acids, Esters C=O 3600 -3200 (b) О-Н Hydrogen-bonded - Alcohols,Phenols 3400 - 2500 (b) O-H Carboxylic acids 3500 - 3300 (m) N-H Amines 1340 - 1020 (m) C-N Amines 2260- 2220 (m) C=N Nitriles Intensities: s = strong, m = medium, w = weak, b = broad h = 6.63 x 10-34 Js c = 3.00 x 10 ms1
Transcribed Image Text:Wavenumber, cm1 Bond Functional Group C- H (sp°, 2960-2850(s) Alkanes 2760 - 2700, 2860 - 2800 (w), (a pair of bands) С-Н Aldehydes 3080 - 3020 (m) C- H (sp?, Alkenes 3100 - 3000 (m) C-H Aromatic Rings 3333 - 3267 (s) C- H (sp) Alkynes 1680-1640 (m, w) C=C Alkenes 2260 - 2100 (m) C=C Alkynes Aromatic Rings 1600, 1500 (w), usually shows several peaks C=C 1400 - 1090 (s) C-O Alcohols, Ethers, Esters 1320-1210 (m) C-O Carboxylic acids 1760 - 1670 (s) Aldehydes, Ketones, Carboxylic acids, Esters C=O 3600 -3200 (b) О-Н Hydrogen-bonded - Alcohols,Phenols 3400 - 2500 (b) O-H Carboxylic acids 3500 - 3300 (m) N-H Amines 1340 - 1020 (m) C-N Amines 2260- 2220 (m) C=N Nitriles Intensities: s = strong, m = medium, w = weak, b = broad h = 6.63 x 10-34 Js c = 3.00 x 10 ms1
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