NCERT Exercise 5.6 - Coordination Compounds
Question: In Ni(CO)4, Ni is in zero oxidation state whereas in NiCl4 2–, it is in +2 oxidation state. In the presence of CO ligand, the unpaired d electrons of Ni pair up but Cl – being a weak ligand is unable to pair up the unpaired electrons.
Answer: **NCERT answer:** (i) [Zn(OH)4]2- (ii) K2[PdCl4] (iii) [Pt(NH3)2Cl2] (iv) K2[Ni(CN)4] (v) [Co(NH3)5(ONO)]2+ (vi) [Co(NH3)6]2(SO4)3 (vii) K3[Cr(C2O4)3] (viii) [Pt(NH3)6]4+ (ix) [CuBr4]2– (x) [Co(NH3...
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