Question

A light sensitive compound x of silver is used in black and white photography on exposed to sunlight its colour change to grey identify x and the type of chemical reaction write the chemical equation to express the change

Answer 1

Answer:

silver chloride [ AgCl ] is used in black-white photography.

reaction:  its is decomposition reaction by sunlight [photolytic decomposition reaction]

2Ag + Cl2 = 2AgCl

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