Medium
Silver chloride turns grey/black on exposure to sunlight, decomposing into silver and chlorine. What type of reaction is this?
Explanation
Explanation
2AgCl → 2Ag + Cl2 in the presence of sunlight. Since light energy causes the decomposition, this is specifically called a photolytic (photochemical) decomposition reaction, used in black-and-white photography.
PRO TIP
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