4. What is the correct supac name for the compound HClO_(4)? Chlonous acid Chloric acid Perchloric acid Hydrochloric acid

The correct name for the compound $HClO_{4}$ is Perchloric acid. This compound is an oxoacid of chlorine, where chlorine is in its highest oxidation state (+7). The prefix "per-" indicates the highest oxidation state of the central atom in the series of oxyacids of chlorine. Therefore, the correct name is Perchloric acid.