Question

What happens when silver chloride is exposed to sunlight? Write a chemical equation for this reaction. Also, give one use of such a reaction.

Answer 1

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

$2AgCl\left(s\right)\underset{Decomposition}{\overset{Light}{\to }}2Ag\left(s\right)+C{l}_2\left(g\right)$

This reaction is used in black and white photography.