Question

What happens when hydrated ferrous sulphate crystals (FeSO4•7H2O) are strongly heated? write the equation involved

Answer 1

Answer:

On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. So their colour changes from light green to white. On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (SO3).

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Answer 2

Answer:

Explanation:

Ferrous sulfate crystals are green in color. It is present in hydrated form and when it is heated, the hydrated ferrous sulfate forms anhydrous ferrous sulfate which is white in color. On strong heating, the products obtained are ferric oxide, sulfur dioxide and sulfur trioxide.

A Decomposition reaction takes place.

2FeSo4 ⇒Fe2O3+SO2+SO3.

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