Question

White silver chloride in sunlight turns to

• A. red
• B. grey
• C. yellow
• D. remain white

Answer 1

The correct option is B

grey

Silver chloride in the presence of sunlight decomposes to give metallic silver which is grey in colour. The reaction occurs as follows:

$\underset{\text{Silver chloride}}{2\text{AgCl}\text{(s)}}\to \underset{\text{Silver}}{2\text{Ag}\text{(s)}}+\underset{\text{Chloride}}{{\text{Cl}}_2\text{(g)}}$