Q. 83.7( 3 Votes )

What is the colour of FeSO4.7H2O crystals? How does this colour change upon heating? Give balanced chemical equation for the changes.

Answer :

The colour of FeSO4.7H2O crystals is light green. Upon heating the crystals of FeSO4.7H2O losses water of crystallization and becomes white in colour,

Balanced chemical equation for the change is: -

2FeSO4 Fe2O3 + SO2 + SO3

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