What Are The Reactions Of Halogens

This video tutorial explores the unique reactions of halogens, focusing on chlorine, iodine, and fluorine. It discusses the industrial use of chlorine reactions to produce bleach, the interaction between chlorine and iodine to form iodine monochloride, and the dangerous properties of hydrofluoric acid, which can dissolve glass. The video also explains the chemistry behind using iodine to test for starch, highlighting its application in detecting fake banknotes.

Describe the chemical interaction that occurs when triiodide ions interact with starch.

What is the significance of using iodine to test for the presence of starch in paper?