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Decomposition Reaction

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Question

Explain photochemical decomposition of silver chloride with chemical equation. Write one application of the above reaction.

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Solution

1. Decomposition of AgCl gives
2 AgCl ----> 2 Ag + Cl₂
AgCl quickly darkens on exposure to sunlight due to the above reaction, and forms metallic silver. This reaction is used in photgraphy and film.

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