\tInorganic acids have no carbon while organic acids do.\tOrganic acids are insoluble in water but soluble in organic solvent while inorganic acids are soluble in water and insoluble in organic solvent.\tOrganic acids are usually weak acids but inorganic acids are strong acids. (Read more about different between weak and strong acids)\tOrganic acids most of them have a biological origin, whereas inorganic acids do not their orgin are from mineral or inorganic compounds.