2020年5月1日 · The potassium iodide is an ionic compound that is white in color. It is crystalline in nature. The solution of potassium iodide is yellow in color. It is because of its reaction with oxygen and carbon dioxide, that forms iodine and potassium carbonate. Thus, the iodine is soluble in the potassium iodide solution. Potassium iodide is an anti ...

Iodine is the least soluble of the halogens in water. It is more soluble in potassium iodide solution, so the ‘iodine solution’ here is actually iodine in potassium iodide solution. Draw the students’ attention to the similarity between the colour of iodine vapour and its colour in a non-polar solvent.

2023年6月21日 · Potassium iodide solution is typically colorless. However, in certain concentrations or conditions, it can appear slightly yellow or pale yellow due to the presence of impurities. It is important to note that the color of a potassium iodide solution can be influenced by factors such as concentration, temperature, and the presence of other ...

Potassium iodide is a metal-halide salt featuring an ionic bond between the potassium cation (K+) and the iodide anion (I–). It is colourless to white, it appears as cubical crystals, or powder or white granules. It has a highly bitter, saline taste. This compound is prepared by iodine and mixing potassium hydroxide.

Potassium Iodide is oral antithyroid agent used in the prevention of radioactive iodine uptake into the thyroid gland during a nuclear radiation emergency. Potassium Iodide may be used as an adjunct to other antithyroid agents in the treatment of hyperthyroidism and thyrotoxicosis and preoperatively to induce thyroid involution.

When potassium iodide is dissolved in water, it forms an aqueous solution. The colour of the solution depends on the concentration of potassium iodide. - At low concentrations, the solution is colourless. - As the concentration increases, the solution turns pale yellow. - At higher concentrations, the solution turns dark yellow or brown.

Color of Potassium iodide. The chemical formula of Potassium iodide is KI. The color of Potassium iodide is white. Uses of Potassium iodide. Potassium iodide is an antithyroid agent that prevents the uptake of radioactive iodine.

The compound potassium iodide is a white crystalline salt having the chemical formula ${\text{KI}}$ . It is an oral antithyroid agent used in the prevention of radioactive iodine uptake. This compound absorbs water less readily than sodium iodide.

Solution S is clear (2.2.1) and colourless (2.2.2, Method II). To 12.5 mL of solution S add 0.1 mL of bromothymol blue solution R1. Not more than 0.5 mL of 0.01 M hydrochloric acid is required to change the colour of the indicator.

Potassium iodide is a component in the electrolyte of dye sensitised solar cells (DSSC) along with iodine. Potassium iodide finds its most important applications in organic synthesis mainly in the preparation of aryl iodides in the Sandmeyer reaction, starting from aryl amines. Aryl iodides are in turn used to attach aryl groups to other ...