Reaction between sodium thiosulfate and iodine
Sodium thiosulfate and iodine water (solution of iodine in water added with KI).
Sodium thiosulfate is dissolved in water.
Shaking accelerates the dissolution.
Iodine water is added.
Immediate discolouration of iodine is seen.
Sodium thiosulfate and iodine water (solution of iodine in water added with KI).