Question

WhaT is the change in colour is observed when white silver chloride is left exposed to sunlight what type of chemical reaction is this

Answer 1

When silver chloride is exposed to sunlight it's white colour changes to grey colour.

2AgCl(s) → 2Ag(s) + Cl2 (g).

This reaction is photolytic decomposition reaction.

In photolytic decomposition reaction th reaction is carried out with the help of sunlight.