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Question
Question 8
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
Question 8
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
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Solution
Option (a) is correct.
The decomposition of silver chloride takes place in the presence of sunlight. The reaction occurs as follows:
2AgCl (s)→2Ag (s)+Cl2(g)
In this reaction, the white colour of silver chloride changes to grey due to the formation of elemental silver.
The decomposition of silver chloride takes place in the presence of sunlight. The reaction occurs as follows:
2AgCl (s)→2Ag (s)+Cl2(g)
In this reaction, the white colour of silver chloride changes to grey due to the formation of elemental silver.
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