Organic compounds with acidic properties are organic acids. Carboxyl acids are the most common type of organic acids used commercially, carboxyl acids comprise carboxyl group with long carbon chain. Organic acids produced by replacing one hydroxyl group in sulfuric acid are sulfonic acids such as toluenesulfonic acid, methanesulfonic acid, etc. Carboxyl acids are weak organic acids whereas sulfonic acids are among the strongest acids available. Some of the commonly used ... Read more
