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Effect of heat on blue vitrol?

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Effect of heat on blue vitrol?
  • 2 answers

Sahdev Sharma 8 years, 1 month ago

Blue vitriol, as we know it, is hydrated Copper(II) Sulphate, meaning CuSO4.5H2O.

That 5H2O is the water of crystallization or the water of hydration. Those 5 molecules of water simply constitute the crystal i.e, they are merely embedded in between CuSO4 atoms.

When blue vitriol is heated, those water of crystallization escape out of the crystal and what's left is anhydrous copper sulphate or simply CuSO4, without any water of crystallization.

 

Rahul Poddar 8 years, 1 month ago

By heating blue vitriol the H2O molecules get remove from cuso4 due to this the blue colour fade and change into white
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