the name arsenic acid, like phosphoric acid (H3PO4), does notconvey the structure, but does fit into a general patternwhereby the ending ‘ic’ denotes a higher or the highest possible oxidation state (compare nitric acid, sulfuricacid). HClO: Hypochlorous Acid Solution the name arsenic acid, like phosphoric acid (H3PO4), does notconvey the structure, but does fit into a general patternwhereby the ending ‘ic’ denotes a higher or the highest possible oxidation state (compare nitric acid, sulfuricacid). HClO: Hypochlorous Acid.