Octet / Functional Groups
Carboxylic Acid
Carboxylic Acid (R-COOH) - oxygen. Carbonyl + hydroxyl. Acidic (pKa ~5), forms carboxylate anion.
Oxygen
Functional Group details
Name
Carboxylic Acid
Category
Oxygen
Smiles
CC(=O)O
General Formula
R-COOH
Description
Carbonyl + hydroxyl. Acidic (pKa ~5), forms carboxylate anion.
Properties
- Polarity
very polar
- H Bond Donor
Yes
- H Bond Acceptor
Yes
- Boiling Point Trend
Very high BP, often dimerizes via H-bonding
Spectroscopy
- Ir Peaks
2500-3300 cm⁻¹ (O-H stretch, very broad)
1700-1725 cm⁻¹ (C=O stretch)
- H Nmr Shifts
10-12 ppm (COOH)
- C Nmr Shifts
170-185 ppm
This is one row of the Functional groups sheet - print all 25 functional groups on one page.