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Deduce the shape and magnetic behaviour of the complex ion [Co(NH_(3))_(5)NO_(2)]^(2+). |
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Answer» Solution :`CO : 1s^(2) 2s^(2) 2p^(6) 3S^(2) 3p^(6) 4s^(2) 3d^(7)` `Co^(3+)` ion has outer electronic configuration : `4s^(0) 3d^(6)`. `NH_(3)` causes pairing of ELECTRONS in d-orbital as shown below :  It has octahedral shape. It is DIAMAGNETIC because it does not have unpaired electrons. |
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