Page 84 - Practical-workbook-organic-3 isa
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Functional group Frequency (cm ) Band intensity
3000-3100 W (sh)
▪ Aromatic compound 1660-2000 W (sh)
1450-1600 M (sh)
Factors affecting the C=O stretching vibrations:
1. Electronic effect such as inductive effect may cause shift in absorption bands due to change
in absorption frequency.
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