Silver Bromide turns grey in sunlight

It is because, the heat of sunlight decomposes Silver Bromide into Silver and Bromine gas

It is thus a light-sensitive compound

The reaction is called Photolysis (Photo means light and lysis means breakdown)


2AgBr(s)      →      2Ag(s) + Br 2 (g)

  1. Class 10
  2. Chapter 1 Class 10 - Chemical Reactions and Equations (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo