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why do we store silver chloride in dark colored bottles ?
Answers
Answer:
It is known that silver chloride decomposes to silver and chlorine in the presence of light. This silver formed is microscopic and turns blackish-grey in color. Hence, we lose the use of silver chloride. That's why they are to be stored in dark bottles to prevent the entry of light.
Explanation:
Here AgCl is converted to molecular Ag atoms by the effect of photons of light.
Dark-colored bottles interrupt the path of light such that light cannot reach silver chloride in the bottles and its decomposition is prevented. It is known that silver chloride decomposes to silver and chlorine in the presence of light. This silver formed is microscopic and turns blackish-grey in color. Hence, we lose the use of silver chloride. That's why they are to be stored in dark bottles to prevent the entry of light.
This is shown in the reaction given below:
2AgCl(s)→2Ag(s)+Cl2(g)
Other salts of silver are also examples, such as silver nitrate and Hydrogen peroxide also has a similar action.
Therefore, we explained why we store silver chloride in dark-colored bottles.