Account for the changes in the highest wavelength maximum for CrCl3(H2O)6 with time. What reaction is...
Account for the changes in the highest wavelength maximum for CrCl3(H2O)6 with time. What reaction is occuring in solution?
Homework Answers
Chromium chloride hexahydrate (CrCl3 . 6 H2O) consists of (CrCl2 (H2O)4)+ trans cations and additional molecules of water and chlorine anions in the lattice.
Chromium (Cr+3) complexes has 3 electrons in 3d orbital hence form d3 complexes.(CrCl2 (H2O)4)+ trans cations which on further delay they will slowly convert into (Cr(H2O)6)3+ .
As the time proceeds d orbital splitting occurs and making harder to interact with the d-orbitals to interact with one another and helping the complex to be apart from the solution. This results in the variation of color.
So CrCl3 . 6 H2O should be analysed as early as possible without any delay
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Account for the changes in the highest wavelength maximum for
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