What is a carboxylic acid?

Answer:
A carboxylic acid is an organic acid. Organic acid is one that has the acid group made from carbon, oxygen and hydrogen.
Carbon has four bonds;
  1. two bonds to one oxygen and
  2. one bond to an oxygen with a hydrogen attached
  3. one bond to the rest of the acid structure.

It is the hydrogen attached to the oxygen that gives the carboxylic acid its acidic properties.
All carboxylic acids are weak. Generally they are complex in structure and form the basis of the buffer system in living things.
The simplest carboxylic acid is methanoic acid - ant bites followed by ethanoic acid - in vinegar. (The traditional names of these two acids are formic acid and acetic acid.)
First answer by Cmcnaught. Last edit by Cmcnaught. Contributor trust: 41 [recommend contributor recommended]. Question popularity: 1 [recommend question].