Octet / Functional Groups
Aldehyde
Aldehyde (R-CHO) - oxygen. Carbonyl at end of chain. Electrophilic carbon, easily oxidized to carboxylic acid.
Oxygen
Functional Group details
Name
Aldehyde
Category
Oxygen
Smiles
CC=O
General Formula
R-CHO
Description
Carbonyl at end of chain. Electrophilic carbon, easily oxidized to carboxylic acid.
Properties
- Polarity
polar
- H Bond Donor
No
- H Bond Acceptor
Yes
- Boiling Point Trend
Higher than alkanes, lower than alcohols
Spectroscopy
- Ir Peaks
1720-1740 cm⁻¹ (C=O stretch)
2700-2850 cm⁻¹ (aldehyde C-H stretch, two peaks)
- H Nmr Shifts
9.5-10.0 ppm (CHO)
- C Nmr Shifts
190-205 ppm
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