(I) Co(III) is stabilised in presence of weak field ligands, while Co(II) is…

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

(I) Co(III) is stabilised in presence of weak field ligands, while Co(II) is stabilised in presence of strong field ligand. (II) Four coordinated complexes of Pd(II) and Pt(II) are diamagnetic and square planar. (III) [Ni(CN)4]4−[\mathrm{Ni}(\mathrm{CN})_4]^{4-} ion and [Ni(CO)4][\mathrm{Ni}(\mathrm{CO})_4] are diamagnetic tetrahedral and square planar respectively. (IV) Ni2+\mathrm{Ni}^{2+} ion does not form inner orbital octahedral complexes. Give the correct sequence of T/F for statements (I)–(IV). (1) TFTF (2) TTTF (3) TTFT (4) FTFT

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