Question

A photographic film was accidentally exposed to the sunlight it gets spoiled and turns black name the substance present in the photographic film and write the chemical equation

Answer 1

Here's ur answer!

When ( white ) Silver chloride is exposed to sunlight,it produces (black metallic coloured) Silver along with evolution of Chlorine gas.

2AgCl --------> 2Ag + Cl2

This is a photodecomposition reaction.

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Answer 2

Answer:

Silver bromide

2AgBr → 2Ag + Br2