What Happens When Green Coloured Feso4 Is Heated?


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FeSO4 is a salt with a definite water of hydration (FeSO4 ∙ 7H2O).
When you heat it, the attractive forces between molecules of water and salt are broken and water evaporates, leaving the salt anhydrous.
FeSO4 ∙ 7H2O --> FeSO4 + 7H2O

Also, there's colour change - greenish hydrated FeSO4 turns white during the reaction.

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