<prompt> Monoprotic acid are -Formic acidAcetic acidNitric acidAll of these  <response>: Monapratic acids HA can donate 1 proton H per molecule. Examples are hydrochloric acid HCl, nitric acid HNO3, formic acid, acetic acid, lactic acid and benzoic acid.Polyprotic acids can donate more than one protons H per molecules. These can be divided into :-i Diprotic acid H2A :- These can donate upto 2 protons RE per molecule. Examples are carbonic acid, sulphuric acid, succinic acid and glutaric acid.iii Triprotic acid H3A :- These can donate upto 3 protons H per molecule. Examples are phosphoric acid and citric acid. 