Which coordination compound from the followin | vedclass

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(B) Let us analyze the charge on the complex ion for each option:$A$: $[Co(en)_{3}]Cl_{3} \rightarrow [Co(en)_{3}]^{3+} + 3Cl^{-}$. The complex ion ha

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Potassium trioxalatoaluminate$(III)$

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(B) Let us analyze the charge on the complex ion for each option:$A$: $[Co(en)_{3}]Cl_{3} \rightarrow [Co(en)_{3}]^{3+} + 3Cl^{-}$. The complex ion has a $+3$ charge.$B$: $K_{3}[Al(C_{2}O_{4})_{3}] \rightarrow 3K^{+} + [Al(C_{2}O_{4})_{3}]^{3-}$. The complex ion has a $-3$ charge.$C$: $[Ni(CO)_{4}]$ is a neutral complex with $0$ charge.$D$: $[Ag(NH_{3})_{2}]Cl \rightarrow [Ag(NH_{3})_{2}]^{+} + Cl^{-}$. The complex ion has a $+1$ charge.Therefore,the compound with a net negative charge on the complex ion is Potassium trioxalatoaluminate$(III)$.

Which coordination compound from the following has a net negative charge on the complex ion?

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