Chemistry
Answer
Difference between thermal decomposition & thermal dissociation:
| Thermal decomposition | Thermal dissociation |
|---|---|
| A chemical reaction in which a compound decomposes to give two new elements / a new compound & an element / two new compounds on application of heat without any recombination on cooling is called a thermal decomposition reaction. | A reversible decomposition reaction brought about only by heat is called thermal dissociation reaction. |
| Thermal decomposition is an irreversible reaction. | Thermal dissociation is a reversible decomposition reaction. |
| For example: CaCO3 ⟶ CaO + CO2 | For example: NH4Cl ⇌ NH3 + HCl |
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