Question

What happens when silver chloride is exposed to sun light?write a chemical equation for this reaction.give one use of such a reactions.

Answer 1

When silver chloride is exposed to sunlight, photolytic decomposition reaction takes place i.e the decomposition reaction carried out by sunlight . AgCl is broken down into Ag and Cl.This is a reaction used in black and white photography.

2AgCl ----------> 2Ag   +     Cl
Silver              Silver     Chlorine
Chloride
(White)

Hope it will help you

Answer 2

when silver chloride exposed to sun it decomposes to form silver metal and chlorine.it turns grey.
AgCl----- light------- Ag+Cl2

THE USES OF DECOPOSITION REACTION IS TO GET METALS FROM ITS COMPOUND