Question

Which of the following can be decomposed by the action of light?

विकल्प

• NaCl

• KCl

• AgCl

• CuCl

Answer 1

AgCl

Explanation:

Silver chloride (AgCl) is highly sensitive to light and undergoes a photochemical decomposition reaction. When exposed to sunlight, it breaks down into grey silver metal and pungent chlorine gas.

\[\ce{2AgCl_{(s)} ->[Sunlight] 2Ag_{(s)} + Cl2_{(g)}}\]