General Knowledge

Science & Technology

Easy

White silver chloride turns grey in sunlight. What type of reaction is this?

Combination

Decomposition

Oxidation

Displacement

✅ Correct Option: 2

Sunlight splits silver chloride into silver and chlorine, $2AgCl \rightarrow 2Ag + Cl_2$ . The grey tint comes from the finely divided silver formed. A single compound breaking into simpler products is a decomposition reaction, and since light supplies the energy it is specifically photolytic decomposition.

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White silver chloride turns grey in sunlight. What type of reaction is this?

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