When 2 g of silver chloride is taken in a china dish and the china dish is placed in sunlight for some time, the white sodium chloride turns grey. This is due to the decomposition reaction through sunlight that decomposes silver chloride into silver and chloride by light.
The type of reaction taking place is photolytic decomposition or decomposition reaction.
Identification of product:
Type of reaction: Displacement reaction
The type of reaction taking place here is displacement reaction. In this type of a reaction, a more reactive element displaces a less reactive element from its compound. Zinc is more reactive than silver, so it displaces silver from the silver nitrate compound and forms zinc nitrate.
b) Identified products:
Type of reaction: Double displacement reaction
In this type of a reaction, the cation and anion of two different compounds switch places, or displace each other and form two entirely different compounds. So in the above reaction potassium replaces lead in lead nitrate and lead replaces the potassium in potassium iodide and forms two new products, namely lead iodide and potassium nitrate.
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