what is the colour of FeSO4 crystals? How does the colour change after heating?
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Answer:
colour of FeSO4 is green..
It's colour changes to brown due to the formation of Fe2O3 ( ferric oxide) after decomposition ....
Explanation:
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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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