Question

The gases evolved on thermal decomposition of ferrous sulphate are

Answer 1

The gases evolved on thermal decomposition of ferrous sulphate are sulphur dioxide and sulphur trioxide.

Answer 2

The gases that evolved on the thermal decomposition of ferrous sulphate are sulphur dioxide and sulphur trioxide.

• The decomposition reaction is a reaction in which a compound decomposes into 2 or more other compounds.
• The decomposition reaction of FeSO4 is 2FeSO4(s) -----> Fe2O3 (s) + SO2 (g) + SO3(g).
• The gaseous products in the above reaction are sulphur dioxide and sulphur trioxide.
• The decomposition reaction is carried out at a high temperature of about 200-250°C and the products formed due to the breaking of chemical bonds of the reactant.

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