Tests for halogens

Warm with aqueous sodium/potassium hydroxide.Acidify with dilute nitric acid.Add aqueous silver nitrate:

White precipitate

• C--Cl

Cream precipitate

• C--Br

Yellow precipitate

• C--I

Displacement reactions with Potassium halides, and reaction with hexane:

Chlorine water- colourless

• No reaction with Potassium chloride solution
• An orange solution (Br2) formed when reacted with Potassium…