Question

Anhydrous copper sulphate is white but hydrated copper sulphate is blue explain

Answer 1

hey mate here's ur ans :)

In hydrated CuSO4 the water molecules surrounding the Central metal (Cu) function as ligands which bring d-d transition and hence emitsblue colour in visible region due whichhydrated CuSO4 appears blue and asanhydrous CuSO4 doesn't have any water of crystallisation hence remains white in colour.

hope it helps uhhh

@Laalo

Answer 2

Anhydrous copper sulphate (CuSO4) does not contain any water of crystallization. So it is white in colour. But hydrated copper sulphate is copper sulphate Penta hydrate i.e. CuSO4.5H2O which contains 5 molecules of water of crystallization. Hence its colour changes to blue.

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