Question

Ferrous sulphate crystals decomposes with the evolution of a gas with a characteristic smell of burning sulphur. Write the chemical reaction involved and the type of reaction

Answer 1

The thermal decomposition or thermolysis of Ferrous Sulphate results in the formation of Iron (III) Oxide and Sulphur dioxide and sulphur trioxide.

2FeSO4 + Heat + Fe2O3 +502 +503

Sulphur dioxide is the gas that has a distinctive odour of burning sulphur. The type of reaction is Thermal decomposition.

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Answer 2

Answer:

This is thermal decomposition reaction

Ferrous sulphate on heating decomposes to produce ferric oxide, sulphur dioxide and sulphur trioxide. The balanced equation for this thermal decomposition reaction can be written as:

2FeSO₄ + Heat⇒ Fe₂O₃+SO₂+SO₃

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