A brown-yellow powder CuCl2. In contrast the Ag-AgI thin film changes to complementary colours of the incident beam. Potassium Iodide And Lead Nitrate Potassium Iodide Iodide Potassium It was revealed that Ag 0 AgCl-blue and Ag 0 AgCl-fuchsia crystals could efficiently boost the photon energy harvesting spanning from the UV to near-infrared spectral region 250800 nm and achieved. . Starting with 1 mL of sodium carbonate add the solutions consecutively to the water in the order listed in the materials section. What color is AGCL. Properties of AgCl Properties of AgBr Properties of AgI Solubility of AgCl Solubility of AgBr Solubility of AgIColour difference of AgClAgBrAgISolub. It exists as a blue-green dihydrate rhombic. Silver chloride AgCl is white in colour and elemental silver Ag is grey in colour. 2- more the percentage of ionic charecter the compound are colourless less ionic percentage the compound are.