Question

What is the thermal decomposition reaction ?

Answer 1

Answer:

When a substance breaks down into two or more products on heating is known as thermal decomposition reaction.

eg- 2Pb(NO3)2------- 2PbO + O2 + 4NO2

lead nitrate lead oxygen nitrogen

oxide dioxide

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Answer 2

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Thermal decomposition or thermolysis, is a chemical decomposition caused by heat.

The reaction is usually endothermic as heat is required to break chemical bonds in the compound undergoing decomposition.

For example :- 2NaHCO3(s)→CO2(g)+H2O(g)+Na2CO3(s)

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