Question

when silver chloride is kept in sunlight ,it changes colour to ________ due to decomposition reaction
1.grey
2.Black
3.purple
4.Yellow​

Answer 1

1) grey

silver chloride is originally white in colour but in sunlight it decomposes to form Ag+Cl2

which leaves Ag behind which is grey in colour

Answer 2

Answer:

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

2AgCl-------> 2Ag +Cl

Hope it helps you