Identify the cationic complex from the follow | vedclass

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(C) cationic complex is one where the coordination sphere carries a positive charge. $A$. Trioxalatocobaltate $(III)$ ion: $\left[Co(C_2O_4)_3\right]^

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Pentaamminechlorocobalt $(III)$ chloride

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(C) cationic complex is one where the coordination sphere carries a positive charge. $A$. Trioxalatocobaltate $(III)$ ion: $\left[Co(C_2O_4)_3\right]^{3-}$ (Anionic complex) $B$. Triamminetrinitrocobalt $(III)$: $\left[Co(NH_3)_3(NO_2)_3\right]$ (Neutral complex) $C$. Pentaamminechlorocobalt $(III)$ chloride: $\left[Co(NH_3)_5Cl\right]Cl_2$. Upon dissociation,it gives $\left[Co(NH_3)_5Cl\right]^{2+} + 2Cl^-$. This is a cationic complex. $D$. Potassium tetracyanonickelate $(II)$: $K_2\left[Ni(CN)_4\right]$. Upon dissociation,it gives $2K^+ + \left[Ni(CN)_4\right]^{2-}$. This is an anionic complex.

Identify the cationic complex from the following.

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