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Question

Which among the following statement(s) is/are true?
Exposure of silver of silver chloride to sunlight for a long duration turns grey due to:
(1) Formation of silver by decomposition of silver chloride.
(2) Sublimation of silver chloride
(3) Decomposition of chlorine gas from silver chloride
(4) Oxidation of silver chloride

A
1 Only
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B
1 and 3
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C
2 and 3
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D
4 Only
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Solution

The correct option is A 1 Only
When silver chloride is exposed to light, it decomposes to form silver metal and chlorine gas.
2AgCllight2 Ag+Cl2
Colour changes to grey due to formation of silver metal.

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