Question

Why white coloured silver chloride turns grey when kept in sunlight?

Answer 1

Silver chloride breaks down to Silver and chloride.
Silver is white in colour and when kept in sunlight silver chloride turns grey.

Answer 2

hey there!!

This is so because the amount of energy of light decomposes AgCl to silver (Ag+) and chloride (Cl-) in the presence of sunlight . The silver chloride is actually black which is fully spread over white AgCl which looks grey.

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