Identify the formula of potassium trioxalatoa | vedclass

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Question

(A) The name of the coordination compound is potassium trioxalatoaluminate$(III)$.$1$. The cation is potassium $(K^+)$.$2$. The coordination entity is

Vedclass · Accepted Answer

$K_3[Al(C_2O_4)_3]$

Vedclass · Answer

(A) The name of the coordination compound is potassium trioxalatoaluminate$(III)$.$1$. The cation is potassium $(K^+)$.$2$. The coordination entity is trioxalatoaluminate$(III)$.$3$. The central metal atom is Aluminum $(Al)$ with an oxidation state of $+3$.$4$. The ligand is oxalato $(C_2O_4^{2-})$,which is a bidentate ligand. 'Trioxalato' means there are $3$ such ligands.$5$. The charge on the coordination sphere is calculated as: $x + 3(-2) = -3$,where $x$ is the oxidation state of $Al$ $(+3)$. So,$[Al(C_2O_4)_3]^{3-}$.$6$. Balancing the charges with $K^+$ ions,we need $3$ potassium ions to neutralize the $3-$ charge of the complex.$7$. The final formula is $K_3[Al(C_2O_4)_3]$.

Identify the formula of potassium trioxalatoaluminate$(III)$.

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