When a green iron salt is heated strongly its colour finally changes to brown and smell of burning sulphur is given out?
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2Fe2SO4.7H2O-------------> Fe2O3 +SO2+SO3+10H2O
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Answer:
2FeSO4(s) → Fe2O3(s) + SO2(g) + SO3(g)
Explanation:
The green coloured salt is Ferrous Sulphate, and when it is heated strongly, the colour of the salt converts into Ferric Oxide, with the formation of suphur dioxide and suphur trioxide gases.
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