Question

What happens when silver bromide is exposed to sunlight? Write balanced chemical equations of the reaction involved in support of your answer.

Answer 1

Silver bromide decomposes into silver and bromine in the presence of sunlight, turning grey. A photochemical decomposition reaction takes place.

\[\ce{2AgBr_{(s)} ->[Sunlight] 2Ag_{(s)} + Br2_{(g)}}\]