Q41 of 152 Page 46

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

When silver chloride is exposed to light it will decompose to form Silver Metal and chlorine gas.

2AgCl(s) → 2Ag(s) + Cl2


In presence of light.


This reaction is used in black nad white photography.



More from this chapter

All 152 →
39 In the reaction represented by the following equation:


(a) name the substance oxidized


(b) name the substance reduced


(c) name the oxidizing agent


(d) name the reducing agent

 40 What happens when silver nitrate solution is added to sodium chloride solution?

(a) Write the equation for the reaction which takes place.


(b) Name the type of reaction involved.

 42 What happens when a zinc strip is dipped into a copper sulphate solution ?

(a) Write the equation for the reaction that takes place.


(b) Name the type of reaction involved.

 43 Explain the term "corrosion" with an example. Write a chemical equation to show the process of corrosion of iron.