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Unformatted text preview: each IR below and circle the IR absorption peak which identifies the functional group. (2 pts each) O OH 1) LiAlH 4 H 3 O +-H 2 O heat 2) H 3 O + 25 o C O OH 2) Using the Table of "Useful Spectroscopic Data," what IR absorptions would you look for in order to assign each of the following structures? (1 pt ea) O OH O H 3 C O O OH "Ordinary" ketone: 1710-1715 cm-1 (s) Carbonyl: 1710 cm-1 (s) Hydroxyl: 3400-3000 cm-1(br) Carbonyl: 1735 cm-1 (s) Ether: 1050-1250 cm-1(s) Hydroxyl :3400-3000 cm-1(br)...
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- Spring '10
- 1 pt, 2 pts, Lithium aluminium hydride, IR absorption peak