Question

why colour of copper sulphate is blue

Answer 1

Hi...

In compounds copper sulphate, the blue colour is due to the light energy being used to promote or excite electrons that are in the atom of the copper when it's combined with other things such as the sulphate or carbonate ions and so on. ... So CuSO4.5H2O is blue.

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Answer 2

In compound of copper sulphate, the blue colour is due to light energy being used to promote of excite electron that are in atoms of the copper when its combined with other such as the sulphate of carbonates ions and so on..... So CUSO45H20 is blue.

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