Question

How will the colour of silver chloride and silver bromide salts change when exposed to light

Answer 1

They will acquire grey colour.
Hope u find this helpful...:)

Answer 2

Hi there !!

When silver chloride or silver bromine is kept in sunlight , the substance undergoes decomposition reaction [ photo chemical decomposition ] and form simpler substances , with the evolution of gas.

Silver bromine :-
 
              sunlight
2AgBr(s)  ---------------->  2Ag(s) + Br₂(g)

Here , the colour of silver bromine ( light yellow in color) changes to grey color [ silver ]


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Silver chloride :-

            sunlight 
2AgCl(s) -------------> 2Ag(s) + Cl₂(g)


Here , the colour of silver chloride ( white in color) changes to grey color [ silver ]