Why Is Copper Sulphate Pentahydrate Colour?
An Ion or Compound Is Coloured When It Has Unpaired Electron in Its D-Orbitals. Cu(Ii) Has One Unpaired Electron in Its D-Orbital, Hence It Is Coloured. Why Is...
An ion or compound is coloured when it has unpaired electron in its d-orbitals. Cu(II) has one unpaired electron in its d-orbital, hence it is coloured.
Why is copper sulfate pentahydrate blue?
Hydrated copper(II) sulfate is copper(II) sulfate pentahydrate, or CuSO4⋅5H2O . ... The absorption of light energy excites an electron from water which is promoted to the copper(II) ion. This causes blue light to be emitted, giving the copper(II) sulfate pentahydrate its blue color.
What is the colour of pentahydrate copper sulphate?
The pentahydrate form, which is blue, is heated, turning the copper sulfate into the anhydrous form which is white, while the water that was present in the pentahydrate form evaporates.
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