Decomposition reactions

These are opposite to combination reactions. A single compound decomposes or break down to give two or more simpler substances.

It is of following types:

i). Thermal Decomposition: 

When a decomposition reaction is carried out by heating. 

For Example:

  • Mercuric oxide, when heated, undergoes thermal decomposition, to give mercury and oxygen

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ii). Electrolytic Decomposition: 

The decomposition of a substance by passing electric current through it is known as electrolysis. 

For Example:












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