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Draw energy level diagram and indicate the number of electrons in each level for the complex [Cu(H_(2)O)_(6)]^(2+). Whether the complex is paramagnetic or diamagnetic ? |
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Answer» Solution :`Cu` in `[Cu(H_(2)O)_(6)]^(2+)` has `+2` oxidation STATE. Electronic configuration of `Cu` ATOM `-3d^(10)4s^(1)` Electronic configuration of `Cu^(2+)` ion `-3d^(9)`. Distortions in OCTAHEDRAL Geometry Observer in `[Cu(H_2 O)_6 ]^(2+)` If the ground electronic configuration of a non-linear complex is orbitally degenerate , the complex will distort so as to remove the degeneracy and achieve a lower ENERGY. This is called the Jahn-Teller Effect.  `Cu^(2+)` : Two ways of filling the eg orbitals , there is degeneracy and Jahn-Teller DISTORTION is observed Jahn-Teller Distortion in Cu(II) complexs `([Cu(H_2 O)_6 ]^(2+)` 
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