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| 1. |
Give the oxidation state, d-orbital occuptation and coordination number of central metal ion in the following complexes : [K_(3)[Co(C_(2)O_(4))_(3)] (ii) (NH_(4))_(2)[CoF_(4)] (iii) cis-[Cr(en)_(2)Cl_(2)]Cl (iv) [Mn(H_(2)O)_(6)]SO_(4). |
| Answer» Solution :`{:(,"Complex","Oxidation state","Coordination No.","d-orbital occupation","Unpaired electrons"),((i),K_(3)^(+)[Co(C_(2)O_(4))_(3)]^(3-),x-6=-3,6("as "C_(2)O_(4)^(2-)" is didentate"),Co^(3+)=3D^(6),0),(,,x=+3,,=t_(2g)^(6)e_(g)^(0),),((ii),(NH_(4))_(2)^(+)[CoF_(4)]^(2-),x-4=-2,4,Co^(2+)=3d^(7),3),(,,x=+2,,=e^(4)t_(2)^(3),),((III),cis-[Cr(en)_(2)Cl_(2)]^(+)Cl^(-),x+0-2=+1,"6 (en is didentate)",Cr^(3+)=3d^(3),3),(,,x=+3,,=t_(2g)^(3),),((iv),[Mn(H_(2)O)_(6)]^(2+)SO_(4)^(2-),x+0=+2,6,Mn^(2+)=3d^(5),5),(,,x=+2,,=t_(2g)^(3)e_(g)^(2),),(,,,,,):}` | |