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What is the most suitable reason for storing silver bromide in a dark-coloured bottle?

Answer and explanation

Correct answer: To prevent photolytic decomposition

Silver bromide is photosensitive. In the presence of light, it can decompose: \(2\mathrm{AgBr}\xrightarrow{\text{light}}2\mathrm{Ag}+\mathrm{Br}_2\). A dark-coloured bottle reduces exposure to light and therefore prevents photolytic decomposition. It does not increase the solubility of silver bromide in water.

Related tags

ScienceClass-10Chemical-ReactionsPhotolysisSilver-BromidePhotosensitive-Compounds

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