CBSE Class 10 Science 2019 · Paper 31/1/1 · Question 6(a)
2 g of silver chloride is taken in a china dish and the china dish is placed in sunlight for sometime. What will be your observation in this case ? Write the chemical reaction involved in the form of a balanced chemical equation. Identify the type of chemical reaction.
Answer
White silver chloride turns grey in sunlight as it decomposes into silver and chlorine; it is a photolytic decomposition reaction.
Observation: the white silver chloride turns grey in sunlight (silver is formed and chlorine gas is given off).
Equation:
Type: decomposition reaction brought about by light (photolytic decomposition).
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