Question

What is decomposition reaction

Answer 1

Decomposition reaction is a reaction in which a chemical compound decomposes into two or more simpler substances.

A compound can decompose to give two elements. A compound can decompose to give one element and the other compound. A compound can decompose to give two other compounds.

For example-

2HgO- 2Hg+ O2

2KClO3- 2KCl+ 3O2

Answer 2

Decomposition reaction is the reaction in which a compound breaks into its constituents .
Eg : HCl H + Cl
AgCl2 Ag + Cl2....here sunlight is necessary to carry out this process