The Golden Rain experiment is a classic chemistry demonstration used to illustrate precipitation reactions, particularly the formation of lead iodide (Pbl2). When solutions of lead nitrate (Pb(NO₂),) and potassium iodide (KI) are mixed, a double displacement reaction occurs, producing a bright yellow precipitate of lead iodide. This yellow solid is initially suspended in the solution, giving the appearance of golden rain. Upon heating the mixture, lead iodide dissolves, and as it cools, beautifu

Golden Rain Experiment - Lead Nitrate & Potassum Iodide | ChemTalk