what is the colour of FeSO4.7H2O crystals? how does this colour change upon heating? write balanced equation for the changes.
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color of FeSO4.7H2O (Hydrated copper sulphate)is blue....when it is heated the color of Hydrated copper sulphate loses 7H2O and changes to colorless.....if further heated it forms Fe2O3...which is brown in color with SO2 and SO3
2FeSO4 – Fe2O3 + SO2 + SO3
2FeSO4 – Fe2O3 + SO2 + SO3
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