PbCl2(s)+Cl−→[PbCl]−(aq) PbCl2(s)+2Cl−→[PbCl4]2−(aq) Addition of chloride ions to a suspension of PbCl2 gives rise to soluble complex ion. In these reactions the additional chlorides break up the chloride bridgesthatcomprise the polymeric framework of solid PbCl2 (s)