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Annonn Annonn
wrote...
Posts: 116
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4 weeks ago
The following chloride salts are dissolved in water. Which one would you predict is colorless?


CuCl2

CrCl2

TiCl3

CdCl2

NiCl2
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wrote...
Valued Member
4 weeks ago
CuCl2

As we know that the unpaired electrons present in the ion show blue color due to the transition of the electrons from ground state to the excited state. In case of there is no unpaired electrons that means the shells are fully filled. So, it will not show any color. That’s why is colorless.
wrote...
Educator
4 weeks ago
But usually transition metal salt solutions have color, and non-transition metal solutions are colorless. I looked up CuCl2 online, and most are saying it is a colorless compound in solution.
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