What is the most suitable reason for storing silver salts in dark coloured bottles?
Answer and explanation
Correct answer: To prevent photolytic decomposition
Many silver salts, especially silver halides, are photosensitive. Light supplies energy that can break their chemical bonds and cause photolytic decomposition, sometimes producing silver and another product. A dark or amber bottle absorbs or blocks much of the incident light and therefore improves storage stability. It does not increase heat, solubility, or convert a precipitate into a gas, so option A is correct.
Frequently asked questions
What is the correct answer to this question?
To prevent photolytic decomposition
Why is this the correct answer?
Many silver salts, especially silver halides, are photosensitive. Light supplies energy that can break their chemical bonds and cause photolytic decomposition, sometimes producing silver and another product. A dark or amber bottle absorbs or blocks much of the incident light and therefore improves storage stability. It does not increase heat, solubility, or convert a precipitate into a gas, so option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
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