Observation. The white colour of silver chloride turns grey in sunlight. This is due to the
decompostition of silver chloride into silver and chlorine by light.
`"Chemical reaction: " underset("Silver chloride")(2AgCl(s))overset(Sunlight)(to) underset("Silver")(2Ag(s)) + underset ("Chlorine")(Cl(g))`
Type of reaction: Photolytic decomposition reaction