Why in heating ferrous sulphate, it first releases Sulphur dioxide and then the sulphurtrioxide?
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Ferrous sulfate changes to reddish brown due to the formation of ferricoxide. Sulfur dioxide and sulfur trioxide gases are also released in this reaction. They have a pungent and rotten smell due to the burning ofsulfur. These gases are toxic.
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Ferrous sulphate crystals contain water molecules (FeSO4. 7H2O). 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). So, the gas emitted smells like burning sulphur.
In this reaction, the single reactant FeSO4 decomposes to form three different products. So, the reaction is a decomposition reaction.
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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.
In this reaction, the single reactant FeSO4 decomposes to form three different products. So, the reaction is a decomposition reaction.
PLEASE MARK MY ANSWER AS A BRAINLIEST.
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