Question

Describe an activity to demonstrate the change that takes place when white silver chloride is kept in sunlight. State the type of chemical reaction which takes place.

Answer 1

Activity: Take a small quantity of silver chloride and place it in a china dish. Keep this china dish in sunlight. Observation: After some time, white silver chloride turns grey in sunlight. This occurs due to photochemical decomposition of silver chloride.

Conclusion:
Decomposition of silver chloride is a photochemical decomposition reaction.​