Question: 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. [CBSE Delhi, Set 1, 2019]
Answer: 2 AgCl + Sunlight → 2 Ag + Cl₂ Initially the colour of silver chloride is white but when it is kept in sunlight it breaks down to give silver and chlorine. Hence, the colour changes to grey. It is an example of photochemical decomposition.