Isomerism In Coordination Compounds

Let oxidation number of Co be ; Oxidation number of
Oxidation number of
Therefore

or 3 Hence, coordination number of is .

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Hexaamminecobalt (III) chloride
(optically inactive)



cis-Dichloridobis (ethane- , -diamine) cobalt (III) chloride (optically active)

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Tris (ethane-1,2-diamine) cobalt (III) chloride (optically active)



Potassium trioxalatocobaltate (III) (optically active)

The increasing order of stability of four conformational isomers of -butane is :
Fully eclipsed $

Answer (d)