Which of the following formulae represents th | vedclass

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(D) The name trioxalatocobaltate$(III)$ indicates: $1$. The central metal atom is Cobalt $(Co)$. $2$. The suffix '-ate' indicates that the complex ion

Vedclass · Accepted Answer

$[Co(C_2O_4)_3]^{3-}$

Vedclass · Answer

(D) The name trioxalatocobaltate$(III)$ indicates: $1$. The central metal atom is Cobalt $(Co)$. $2$. The suffix '-ate' indicates that the complex ion is anionic. $3$. 'Trioxalato' means three oxalate ligands $(C_2O_4^{2-})$ are attached to the central metal. $4$. The oxidation state of $Co$ is $+3$. $5$. Calculation of charge: $x + 3(-2) = -3$,so $x = +3$. Thus,the formula is $[Co(C_2O_4)_3]^{3-}$.

Which of the following formulae represents the trioxalatocobaltate$(III)$ ion?

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