Question

what happens on heating silver chloride in the presence of sunlight ?

Answer 1

when silver chloride[agcl] is kept in sunlight, decomposition reaction takes place. Sunlight decomposes silver chloride into silver and chloride by light . the reaction is

2agcl =2ag + cl2

Answer 2

2agcl ---∆--- 2ag +cl2
silver chloride becomes grey on heating. This is because due to decomposition of silver chloride into silver and chlorine by sunlight