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

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

(i) the formation of silver by decomposition of silver chloride

(ii) sublimation of silver chloride

(iii) decomposition of chlorine gas from silver chloride

(iv) oxidation of silver chloride

(a) (i) only             (b) (i) and (iii)

(c) (ii) and (iii)      (d) (iv) only

Answers (1)

Ans. (a)

2AgCl\overset{light}{\rightarrow}2Ag +Cl_{2}

Exposure of silver chloride to sunlight for a long duration yields silver metal and chlorine gas.

The white color of silver chloride changes to grey due to the formation of silver metal.

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