In potassium trioxalatoaluminate (III), what | vedclass

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(A) The chemical formula for potassium trioxalatoaluminate $(III)$ is $K_3[Al(C_2O_4)_3]$.$1$. The primary valency corresponds to the oxidation state

Vedclass · Accepted Answer

$3$, $6$

Vedclass · Answer

(A) The chemical formula for potassium trioxalatoaluminate $(III)$ is $K_3[Al(C_2O_4)_3]$.$1$. The primary valency corresponds to the oxidation state of the central metal atom $(Al)$. In this complex, $Al + 3(-2) = -3$, which gives $Al = +3$. Thus, the primary valency is $3$.$2$. The secondary valency corresponds to the coordination number of the central metal atom. The oxalate ion $(C_2O_4^{2-})$ is a bidentate ligand. Since there are $3$ oxalate ligands, the coordination number is $3 	imes 2 = 6$. Thus, the secondary valency is $6$.Therefore, the primary and secondary valencies are $3$ and $6$ respectively.

In potassium trioxalatoaluminate $(III)$, what are the primary and secondary valency of the central atom respectively?

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