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Question
Which among the following statement(s) is(are) true? ‘Exposure of silver chloride to sunlight for a long duration turns grey due to
- the formation of silver by decomposition of silver chloride
- sublimation of silver chloride
- decomposition of chlorine gas from silver chloride
- oxidation of silver chloride
Options
(i) only
(i) and (iii)
(ii) and (iii)
(iv) only
Solution
(i) only
Explanation -
Silver chloride is sensitive to sun light and decomposes slowly to give silver which is grey in colour and chlorine.
`2"AgCl" overset("Sun light")(->)underset(("Grey"))(2"Ag") + "Cl"_2`
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