Infrared spectroscopy identifies functional groups by:
✓ Correct Answer: Option B
IR: each functional group absorbs at characteristic wavenumbers (C=O ~1700, O-H ~3300-3500, N-H ~3300). Fingerprint region is unique.
IR: each functional group absorbs at characteristic wavenumbers (C=O ~1700, O-H ~3300-3500, N-H ~3300). Fingerprint region is unique.