Question

. Define the term decomposition reaction. White silver chloride turns grey in sunlight
why ? Write the balanced chemical equation for the reaction involved.

Answer 1

Decomposition is the breaking of a compound either into element or in sir compounds such that the product will not a combine to form the original compound.
Sunlight carries a good amount of energy, which makes silver chloride (AgCl) decompose in silver (Ag) and chloride ions. The metallic silver appears as very small 'flakes', esentially black, so these tiny black spots evenly distributed in the mass of white silver choride makes it look grey. Other silver salts are also decomposed by sunlight, that's why they are kept in bottles made of dark glass or light-proof polimers.
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Answer 2

Answer:

Decomposition reaction :

The reaction in which single compound split into two or more then two form as element or in molecular form .

The color of Silver Chloride turns into grey color.

When it come in contact with sunlight it goes in photolytic decomposition.

The reaction reaction as follow :

2AgCl  = ( Sunlight ) ⇒   2 Ag + Cl₂