Question

9. 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
(il decomposition of chlorine gas from silver
chloride
(iv) oxidation of silver chloride
O (i) only
O (i) and (ii)
O
(ii) and (iii)
O (iv) only​

Answer 1

When silver chloride is exposed to light, it decomposes to form silver metal and chlorine gas.

2AgCl

light

2Ag+Cl

2

White colour of silver chloride changes to grey due to formation of silver metal.

(4) 1 only