Lead(II) compounds are characteristic of the inorganic chemistry of lead. Even strong oxidizing agents like fluorine and chlorine react with lead to give only PbF 2 and PbCl 2 .  Lead(II) ions are usually colorless in solution,  and partially hydrolyze to form Pb(OH) + and finally Pb 4 (OH) 4 (in which the hydroxyl ions act as bridging ligands ),   but are not reducing agents as tin(II) ions are. Techniques for identifying the presence of the Pb 2+ ion in water generally rely on the precipitation of lead(II) chloride using dilute hydrochloric acid. As the chloride salt is somewhat soluble in water, the precipitation of lead(II) sulfide, by bubbling hydrogen sulfide through the solution, is then attempted.