Question

when the ferrous sulphate crystal is heat ? what will happen ?

Answer 1

$\huge\bold\pink{Required}$$\huge\bold\orange{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).

• On heating it looses water molecules and becomes anhydrous ferrous sulphate.

• Colour changes from light green to white.

• Ferrous sulphate crystals which are in green colour decomposes to give Ferric oxide, sulphur dioxide and sulphur trioxide gas.

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