Question

what do you observe when ferrous sulphate solution is exposed to atmosphere​

Answer 1

On heating, ferrous sulphate crystals lose water and ferrous sulphate is formed (FeSo4) ...... On further heating anhydrous ferrous sulphate decomposes to form ferric oxide, sulphar dioxide, and sulphur trioxide. So the gas emitted smell like burning sulphur.

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Answer 2

On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed.On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3). So, the gas emitted smells like burning sulphur..

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