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[Cr(NH_(3))_(6)]^(3+) is paramagnetic while [Ni(CN)_(4)]^(2-) is diamagnetic . Explainwhy? |
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Answer» Solution :`Cr(24) : [Ar]4s^(1)3D^(5)` `Cr^(3+)(24) : [Ar]4s^(0)3d^(5)` `[Cr(NH_(3))_(6)]^(3+)`  It is PARAMAGNETIC DUE to the presence of unpaired electrons.  It has a square planar STRUCTURE, and it is diamagnetic due to the absence of unpaired electrons. |
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