Question

When silver chloride is left open in sunlight, it turns grey after some time due to the
(a) formation of silver oxide and chlorine. (b) reaction of silver chloride with oxygen present in the air.
(c) reaction of silver chloride with moisture present in the air.
(d) decomposition of silver chloride into silver and chlorine by light.​

Answer 1

Answer:

(d) decomposition of silver chloride into silver and. chlorine by light

Answer 2

The correct option is d.

When silver chloride is left open in sunlight, it turns grey after some time due to the decomposition of silver chloride into silver and chlorine by light.

• When AgCl is left in sunlight it undergoes a decomposition reaction and give silver along with chlorine gas.

The reaction is-

$2AgCl\rightarrow 2Ag+Cl_2$