Which among the following statement(s) is (are) true?
(i) Exposure of silver chloride to sunlight for a long duration turns grey due to the formation of silver by decomposition of silver chloride

(ii) Sublimation of silver chloride

(iii) Formation of chlorine gas from silver chloride decomposition

(iv) oxidation of silver chloride

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(i) only

(i) and (iii)

(ii) and (iii)

(iv) only

answer is B.

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Detailed Solution

(i) Exposure of silver chloride to sunlight for a long duration turns grey due to the formation of silver by decomposition of silver chloride

$2 A g B r_{(s)} \overset{s u n l i g h t}{\to} 2 A g_{(s)} + B r_{2 (g)}$

(ii) Decomposition of chlorine gas from silver chloride

$2 A g C l_{(s)} \overset{s u n l i g h t}{\to} 2 A g_{(s)} + C l_{2 (g)}$

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