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Question
Account for the following:
White silver chloride turns grey when exposed to sunlight.
Short Answer
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Solution
White silver chloride turns grey in sunlight due to the decomposition of silver chloride into silver and chlorine by light.
\[\ce{2AgCl + sunlight -> 2Ag + Cl2}\]
The above reaction is endothermic.
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2025-2026 (March) 31/4/1
