Unformatted text preview: m-1 N-H
4000 A. C-H CΞN
3000 B. C=O 2000 cm-1 C. C=C 1500 D. O-H 1000 600 E. C-C OH
O How many vibrational modes would be predicted for
ibuprofen? * Why is the C=O bond stretch the most intense?
+ = hν OH
O 10 ibuprofen = 3n – 6 = 3(33) – 6 = 93
modes C13H18O2 A. 3 B. 6 C. 8 D. 20 E. 32 F. >32 OH
O 8 Which functional group in ibuprofen is responsible for the
strong absorption at 1721 cm-1? Why is the C=O bond stretch the most intense?
+ = hν - hν A. C-H B. C=O C. C=C D. O-H v=0 E. C-C v=1 OH
O OH * 9 O 2 9/...
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This note was uploaded on 10/05/2011 for the course CHE 321 taught by Professor Fowler/sampson during the Spring '08 term at SUNY Stony Brook.
- Spring '08
- Organic chemistry